Shaniac Min-Check-Raises Me

[Foucault]

Shaniac has been entering a fair number of pots pre-flop, either calling raises, limping behind, or raising from late position, but he hasn't been super aggressive, especially not after the flop. I've been a little LAGgy, but certainly not out of hand. The other Villain likes to call pre-flop. The only other time I raised UTG, it was a smaller raise, other Villain called, I bet a little over half pot on a KQ8 flop, he min-raised, and I folded. Shaniac was at the table when that happened.

We are both top 5 with 30 remaining in a 30 rebuy WSOP satellite paying one spot.

PokerStars Tournament, Big Blind is t1600 with t75 antes (7 handed) Converter on pregopoker.com

Hero (t63234)
UTG+1 (t51506)
MP1 (t12953)
CO (t15225)
Button (t42718)
SB (t11587)
BB (t104829)

Preflop: Hero is in UTG with 9[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/club.gif[/img]
<font color="red">Hero raises to t4800</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">MP1 folds</font>, <font color="gray">CO folds</font>, Button calls t4800, <font color="gray">SB folds</font>, BB calls t3200

Flop: (t15725) 5[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/heart.gif[/img] 6[img]/images/graemlins/diamond.gif[/img] (3 players)
BB checks, <font color="red">Hero bets t9000</font>, <font color="gray">Button folds</font>, <font color="red">BB raises to t18000</font>, Hero ???