5/10 Bluffing at 4-straight board

[cts]

UTG is lousy and his stats are 37/1. He's really passive and will fold hands if he thinks he's beat. He took his entire time bank to call my turn CR (set/two pair looking to fill up?).


Party Poker No-Limit Hold'em, $10BB (4 handed)

UTG ($2771.79)
Button ($847)
SB ($897)
Hero ($3193.66)

Preflop: Hero is BB with J[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/club.gif[/img]. SB posts a blind of $5.
UTG calls $10, <font color="#666666">2 folds</font>, Hero checks.

Flop: ($25) 7[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $21</font>, UTG calls $21.

Turn: ($67) 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets $50</font>, <font color="#CC3333">Hero raises to $175</font>, UTG calls $125.

River: ($417) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $310</font>