River value bet

[Colours]

On river comes the card I don't want to see.. What size people choose to bet this river?

Villian: 56/22/0.75 - 89 hands

Party Poker
No Limit Holdem Ring game
Blinds: $1/$2
4 players
Converter

Stack sizes:
UTG: $233.05
Button: $205.55
SB: $420.1
Hero: $261.35

Pre-flop: (4 players) Hero is BB with : :
<font color="#cc0000">UTG raises to $4</font>, Button calls, SB calls, Hero calls.

Flop: 4[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/club.gif[/img] 2[img]/images/graemlins/heart.gif[/img] ($16, 4 players)
SB checks, <font color="#cc0000">Hero bets $11</font>, UTG calls, Button folds, SB calls.

Turn: A[img]/images/graemlins/spade.gif[/img] ($49, 3 players)
SB checks, <font color="#cc0000">Hero bets $38</font>, UTG calls, SB folds.

River: : ($125, 2 players)
<font color="#cc0000">Hero bets $72</font>, UTG calls.

Results:
Final pot: $269

Edit: Stupid converter. Wrong Flop, turn &amp; river(And yes it was the real hand which was converted) Nevermind this, can't seem to fix it.