Should the river scare me?

[cleinen]

Hero is actually BB
Party Poker No-Limit Hold'em Tourney, Big Blind is t100 (6 handed) converter

Hero (t2010)
BB (t440)
UTG (t1763)
MP (t550)
CO (t2097)
Button (t1140)

Preflop: Hero is SB with 3[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/club.gif[/img].
BB calls t100, <font color="#666666">2 folds</font>, CO calls t100, <font color="#666666">1 fold</font>, Hero checks.

Flop: (t400) Q[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets t100</font>, BB folds, CO calls t100.

Turn: (t600) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t500</font>, CO calls t500.

River: (t1600) 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: t1600

Results in white below: <font color="#FFFFFF">
Hero has 3d 5c (three of a kind, threes).
CO has Tc Jc (flush, queen high).
Outcome: CO wins t1600. </font>