nutstraight on the flop, paired board on the turn

[Scipio]

SB is a good regular and UTG is a loose passiv player.

How much should i raise?
Do you push in such spots?


Poker Room skin
No Limit Holdem Ring game
Blinds: $3/$6
6 players
Converter

Stack sizes:
UTG: $700.55
UTG+1: $1.530.20
Hero: $745.00
Button: $579.00
SB: $697.45
BB: $339.40

Pre-flop: (6 players) Hero is CO with 9[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/club.gif[/img]
UTG calls, UTG+1 folds, Hero calls, Button folds, SB calls, BB checks.

Flop: 8[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/heart.gif[/img] ($24, 4 players)
SB checks, BB checks, UTG checks, <font color="#cc0000">Hero bets $23</font>, <font color="#cc0000">SB raises to $75</font>, BB folds, UTG calls, <font color="#cc0000">Hero raises to ???</font>