For just another thing to think about:

Suppose your opponent would only raise the flop with TPTK or better. In this case, the only possible reasonable hands for your opponent are AQ, QQ, 55, and 44. Since you have 2 of the Aces, there are only 6 combinations for AQ, and there are 9 combination total for the 3 set hands. If the assumption about the opponent were correct, you are behind 60% of the time here.