how to play a flopped set of aces with no danger on the board

[jwvdcw]

For example, lets say you have 1000 chips and get AA in BB. Blinds are 10/20. MP raises to 60, you re raise to 200. He calls.

Flop comes A-9-2 rainbow.

You check, he bets 200.

Now what? If you raise, I think theres a good chance he folds(unless he has A-K, A-9, A-2, 9-9, or 2-2 and I think A-K is the only reasonable hand here unless its some idiot playing 9-9). You want to sandbad obviously, but you don't want to let him draw a straigtht or flush, especially in a tournament situation where you don't want a lot of chips. So do you merely call and then bet on the turn? Or do you call and then check raise again on turn? Or do you just raise?

What if I said there were two hearts out there instead of a rainbow? Does that change things? I don't think a good player would've bet that much if he was on a heart draw(I would've checked to get the free card), but who knows with these online players. Does the heart draw make you play it more aggressively.

Thoughts?