Baluga in action, $100 NL

[djj6835]

The dreaded turn min check raise, the only differnce is villain is awful. 96/21/1.6 over 100 hands.I have some notes indicating this player typically slow plays strong hand such as trips until the river. What do you do here?
Poker Stars
No Limit Holdem Ring game
Blinds: $0.50/$1
6 players
Converter

Stack sizes:
UTG: $155.20
Hero: $102.35
CO: $171.60
Button: $82.65
SB: $105.30
BB: $217.60

Pre-flop: (6 players) Hero is UTG+1 with K[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/heart.gif[/img]
UTG calls, <font color="#cc0000">Hero raises to $4.5</font>, 4 folds, UTG calls.

Flop: 2[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] ($10.5, 2 players)
UTG checks, <font color="#cc0000">Hero bets $7.5</font>, UTG calls.

Turn: J[img]/images/graemlins/heart.gif[/img] ($25.5, 2 players)
UTG checks, <font color="#cc0000">Hero bets $21</font>, <font color="#cc0000">UTG raises to $42</font>, Hero ???