AA too aggressive after flop?

[budidharma]

PokerStars 0.02/0.04 Hold'em (8 handed) converter

Preflop: Hero is UTG with A[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/spade.gif[/img]. MP1 posts a blind of $0.02.
<font color="#CC3333">Hero raises</font>, <font color="#666666">1 fold</font>, MP1 (poster) calls, <font color="#666666">1 fold</font>, <font color="#CC3333">CO 3-bets</font>, <font color="#666666">2 folds</font>, <font color="#CC3333">BB caps</font>, Hero calls, MP1 calls, CO calls.

Flop: (16.50 SB) 7[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">BB bets</font>, <font color="#CC3333">Hero raises</font>, MP1 calls, CO calls, <font color="#CC3333">BB 3-bets</font>, <font color="#CC3333">Hero caps</font>, MP1 calls, CO calls, BB calls.

Turn: (16.25 BB) 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">BB bets</font>, <font color="#CC3333">Hero raises</font>, MP1 folds, CO calls, BB calls.

River: (22.25 BB) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">BB bets</font>, <font color="#CC3333">Hero raises</font>, CO calls, BB calls $0.01 (All-In).

Final Pot: 27.50 BB

Results in white below: <font color="#FFFFFF">
BB has Kc Ks (three of a kind, kings).
Hero has Ah As (one pair, aces).
CO has Qs Qh (one pair, queens).
Outcome: BB wins 26 BB. Hero wins 1.50 BB. </font>

[Aaron W.]

The flop cap is fine with two fools hanging around. The turn raise is good as there are two flush draws out there that will call two bets cold. The river raise is bad. You're reasonably likely beat, and you want overcalles to pad the pot.