river decision

[JaBlue]

I have a maniac table image. The river way-overbet is supposed to look like a bluff, but now that I'm looking at it again, I think it looks a lot more like a flush (from his point of view). Comments appreciated.

PokerStars No-Limit Hold'em, $2 BB (7 handed) converter

CO ($149.65)
Button ($256.40)
SB ($292.95)
Hero ($194)
UTG ($269.40)
MP1 ($90.95)
MP2 ($196)

Preflop: Hero is BB with J[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">UTG raises to $6</font>, <font color="#666666">5 folds</font>, Hero calls $4.

Flop: ($13) 3[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets $6</font>, Hero calls $6.

Turn: ($25) 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, UTG checks.

River: ($25) 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $50</font>, <font color="#CC3333">UTG raises to $257.4</font>,