Turn Raise with middle pair

[danicalifornia]

Villain is 38/6/1 over 20 hands so no real read...

I have been pretty active at the table so far playing 24/21.

Who likes this move?

Full Tilt Poker, $1/$2 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

Hero (MP): $265
CO: $226.05
BTN: $506.15
SB: $170
BB: $258.80
UTG: $22.60

Pre-Flop: 9[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/club.gif[/img] dealt to Hero (MP)
UTG folds, <font color="red">Hero raises to $7</font>, CO folds, BTN calls $7, SB calls $6, BB folds

Flop: ($23) 8[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/heart.gif[/img] (3 Players)
<font color="red">SB bets $18</font>, Hero calls $18, BTN folds

Turn: ($59) K[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">SB bets $60</font>, <font color="red">Hero raises to $239</font>

Results: $179 Pot ($179 Rake)