AQs and Missed Flop

[bigchips]

Is the flop bet correct? Should I have bet the turn when it was checked to me? Check the river? My outs seem iffy. Pairing either A or Q could give BB a straight. I have the gunshot.

Party Poker 0.5/1 Hold'em (10 handed) converter

Preflop: bigchips is UTG+1 with Q[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/spade.gif[/img].
UTG folds, <font color="#CC3333">bigchips raises</font>, UTG+2 folds, MP1 folds, MP2 calls, MP3 folds, CO folds, Button folds, SB folds, BB calls.

Flop: (6.50 SB) K[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, <font color="#CC3333">bigchips bets</font>, MP2 folds, BB calls.

Turn: (4.25 BB) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, bigchips checks.

River: (4.25 BB) 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, bigchips checks.

Final Pot: 4.25 BB