Odd situation with turn minraise. 25nl

[senorquinn]

Must I call this turn raise? Villain is 50/1.7/1.2 over 220 hands and is your typical loose passive player.

Poker Room skin
No Limit Holdem Ring game
Blinds: $0.15/$0.25
5 players
Converter

Stack sizes:
UTG: $25.60
CO: $22.30
Button: $30.10
SB: $30.50
HERO: $24.10

Pre-flop: (5 players) HERO is BB with A[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/heart.gif[/img]
UTG folds, <font color="#cc0000">CO raises to $0.5</font>, 2 folds, <font color="#cc0000">HERO raises to $1.5</font>, CO calls.

Flop: 7[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/club.gif[/img] ($3.15, 2 players)
<font color="#cc0000">HERO bets $2.5</font>, CO calls.

Turn: Q[img]/images/graemlins/heart.gif[/img] ($8.15, 2 players)
<font color="#cc0000">HERO bets $6</font>, <font color="#cc0000">CO raises to $12</font>.

[creamfillin]

Make it 2$ or more PF. He raises like once a week, whatever he raised he isn't folding. As played I fold this turn, can't imagine this being any other hand than QQ.