The other night, for the first time I can remember, I ran into AA with KK in my hand. Here's roughly how it played out.

UTG (who had been raising about every other hand) raised to about 3 BB. Fold to me; I raise to about 12-15 BB. Player to my left goes all-in short of my bet. Fold to Button, who goes all in over the top of me. Fold to me.

As soon as Button moved in, I put her on AA or possibly KK; there was no hesitation at all. Here's the problem, though: I called.

Seems like the "correct" play is to fold if I put her on an overpair, be it AA v. KK or 33 v. 22. Right?

As it turns out, I flopped a set and rivered quads -- which would've been a lot more exciting if she had caught a set, too. But I was really rattled later when it occured to me that I never even entertained the possibility of folding.

So...did I blow it and get lucky? Do you make this call? Or is this an "easy lay-down"?