Where Else (Besides River) Did I Screw Up?

[KramerTM]

Early in a Party 10+1. Around 1600 players left. Blinds at 10/20. No read on Villain here.

My river bet was somewhat of a blocking bet, and I planned to fold to a reraise. For some reason, because he bet less than all-in, I changed my mind.

Party Poker No-Limit Hold'em Tourney, Big Blind is t20 (10 handed) converter

UTG (t1330)
UTG+1 (t1370)
UTG+2 (t2865)
MP1 (t750)
MP2 (t5150)
MP3 (t1140)
CO (t790)
Button (t385)
Hero (t1125)
BB (t1385)

Preflop: Hero is SB with Q[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">3 folds</font>, MP1 calls t20, <font color="#666666">1 fold</font>, MP3 calls t20, CO calls t20, <font color="#666666">1 fold</font>, Hero completes, BB checks.

Flop: (t100) 6[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
<font color="#CC3333">Hero bets t80</font>, BB folds, MP1 folds, MP3 calls t80, CO calls t80.

Turn: (t340) T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets t175</font>, MP3 folds, CO calls t175.

River: (t690) 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t150</font>, <font color="#CC3333">CO raises to t375</font>, Hero calls t225.

Final Pot: t1440