50NL 6 max, AA on coordinated flop

[otenke]

Villain has not done anything out of the ordinary until now. How often am I up against lower overpair and how often beaten here? [img]/images/graemlins/smile.gif[/img] Moron for folding this?

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
5 players
Converter

Stack sizes:
UTG: $12.45
CO: $79.70
Hero: $69.05
SB: $35.30
BB: $43.70

Pre-flop: (5 players) Hero is Button with A[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/spade.gif[/img]
2 folds, <font color="#cc0000">Hero raises to $2</font>, SB calls, BB calls.

Flop: 7[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] ($6, 3 players)
SB checks, BB checks, <font color="#cc0000">Hero bets $4</font>, SB calls, <font color="#cc0000">BB raises to $22</font>, Hero folds, SB folds.
Uncalled bets: $18 returned to BB.

Results:
Final pot: $18