NL50 , QTo from SB, straight on turn

[The_Black_Mamba]

Hi, this is my first post here.

My opponent is 57/19/2 after only 20 hands
I think only my turn bet was correct in this hand.
(check or make a PSB on this flop ?)
How much would you bet on river, and what to do after his re-raise ?


Prima Poker skin
No Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players
Converter

Stack sizes:
UTG: $52.50
UTG+1: $51.50
CO: $126.46
Button: $103.43
Hero: $46.75
BB: $27.31

Pre-flop: (6 players) Hero is SB with T[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/club.gif[/img]
3 folds, Button calls, Hero calls, BB checks.

Flop: 6[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] ($1.5, 3 players)
<font color="#cc0000">Hero bets $0.75</font>, BB folds, Button calls.

Turn: 8[img]/images/graemlins/heart.gif[/img] ($3, 2 players)
<font color="#cc0000">Hero bets $3</font>, Button calls.

River: J[img]/images/graemlins/spade.gif[/img] ($9, 2 players)
<font color="#cc0000">Hero bets $4.5</font>, <font color="#cc0000">Button raises to $22.5</font>, Hero calls.

Results:
Final pot: $54