Advanced Euchre Strategy

This strategy stems from a hand I recently played. I ordered next at a passive table after 6 passes with right-ace, 3-suited. My partner led a weak queen into one of my off suits. It was taken by the villain to my right. He led an ace that was my second off suit. His ace held up. After one last ace in my void suit, and getting euched, my partner flipped up her cards revealing left-king. I was puzzled as to why she did not lead the left allowing me to see where it was. This brings me to the heart of the strategy that I wish to discuss today. You should always try to give your partner information, when practical. You should also always try to deceive your opponents. It sounds simple, but this is a concept that I have seen ignored on multiple occasions. Most commonly, it occurs when the dealer is ordered up by the opponents or by the partner.
Example: You are the dealer with QH, 10S, QS, KD, AD. The up card is the 10H. Your partner orders you up. The lead is the QC. Your partner plays the JC, east plays AC, what do you play?
In this situation I would play the QH. It is the same value as the 10 and it lets your partner know that you have more trump. Ideally, if your partner orders you with three trump, you can "tell" them your hand in two cards. It lets them know to not necessarily play the right and suck them out if the two of you are loaded in trump. You can play "trump pong" and bounce off suits between each other. Conversely, in the same hand, if my opponents order up the ten, then that is the first trump I will use. I want them to fear that I have 3 and force them to play tentatively. They might not want to use the right for fear of stealing a partners trick or giving me the opportunity to euch if I have the Ace of their off suit.

This strategy is most often the difference between one and two points. The situation is not uncommon. You are dealing and your partner calls trump. Your partner catches the first trick with a non-trump ace. You ruff a weak doubleton. Your partner leads the suit you ruffed hoping he is leading into your void and you can trump the trick. While your parnter has sound reasoning, your suit gets trumped and you lose the extra point. Playing into a low ruffed suit is generally a mistake, and here is why:
You cannot ruff a suit you do not have. If you are trying to establish a second void suit, you will most likely toss your lowest doubleton leaving you with one card in that suit (and an unlikely winner). If you partner sees you ruff, and then plays the third suit, he is more likely to hit your void allowing you to trump the trick. The only real exception is when you ruff an ace or king. That is a good way to tell your partner specifically which suit you are void in. Hopefully that will guarantee the trick from trump in your hand without your partner sucking it out when he or she goes fishing with the right.