TPTK. Fold waaaaaay sooner?

[RandBriscoe]

It's obvious to me now that I fold this at some point. Should I have put him on AK after the 3-bet flop? Is this where I fold? By that time the pot is big enough to make me try to play aggresively and take it down. Leaks abound! Flame away!

Party Poker 0.5/1 Hold'em (9 handed)

Preflop: Hero is MP2 with A[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/spade.gif[/img]. MP3 posts a blind of $0.5.
UTG calls, UTG+1 calls, MP1 calls, <font color="CC3333">Hero raises</font>, MP3 (poster) folds, CO calls, Button folds, SB calls, <font color="CC3333">BB 3-bets</font>, UTG calls, UTG+1 calls, MP1 calls, Hero calls, CO calls, SB calls.

Flop: (22 SB) T[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/heart.gif[/img] <font color="blue">(7 players)</font>
SB checks, <font color="CC3333">BB bets</font>, UTG folds, UTG+1 calls, MP1 folds, <font color="CC3333">Hero raises</font>, CO calls, SB calls, <font color="CC3333">BB 3-bets</font>, UTG+1 calls, Hero calls, CO calls, SB calls.

Turn: (18.50 BB) 4[img]/images/graemlins/club.gif[/img] <font color="blue">(5 players)</font>
SB checks, <font color="CC3333">BB bets</font>, UTG+1 folds, <font color="CC3333">Hero raises</font>, CO folds, SB calls, <font color="CC3333">BB 3-bets</font>, Hero calls, SB calls.

River: (27.50 BB) 9[img]/images/graemlins/diamond.gif[/img] <font color="blue">(3 players)</font>
SB checks, <font color="CC3333">BB bets</font>, Hero calls, SB folds.

Final Pot: 29.50 BB