stars satellite QQ - Am i committed?

[aaronbeen]

PokerStars No-Limit Hold'em Tourney, Big Blind is t800 (9 handed) converter

saw flop|<font color="#C00000">saw showdown</font>

<font color="#C00000">UTG (t31720)</font>
UTG+1 (t68076)
<font color="#C00000">Hero (t15094)</font>
MP2 (t8310)
MP3 (t7630)
CO (t22715)
Button (t35770)
SB (t12650)
BB (t14485)

Preflop: Hero is MP1 with Q[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
UTG calls t800, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t3200</font>, <font color="#666666">6 folds</font>, UTG calls t2400.

Flop: (t6800) 9[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333">Hero bets t4000</font>, UTG calls t4000.

Turn: (t14800) 3[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, Hero checks.

River: (t14800) T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets t4000</font>, <font color="#CC3333">Hero raises to t7844</font>, UTG calls t3844.

Final Pot: t30488
I decide I don't really have enough chips to fold this. Am I wrong? The turn check is to induce a bluff. How would you guys play it? I hate my river.