NL100 AA against very dangerous board against caller

[rapsu]

http://www.pokerhand.org/?1046172

This hand was very tough for me. Reads of the guy that he called bets with very weak hands, so the raise on the flop suprised me little, eventough I think this can be any random hand when miniraising on position on flop like this. What do you think of he had and what do you think of my play?