KK on the turn

[joelav128]

Villain is pretty weak/passive, playing 40.98/1.63/0.48 over 184 hands. His street by street aggression looks like this: PF:0.04, flop:1.14, turn:1.6, river:5.67. What do you guys think is the best play when he check raises me on the turn?

Full Tilt No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Hero ($27.90)
CO ($58.30)
Button ($26.90)
SB ($43.45)
BB ($5)
UTG ($26.95)

Preflop: Hero is MP with K[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/club.gif[/img].
UTG calls $0.25, <font color="#CC3333">Hero raises to $1.1</font>, <font color="#666666">4 folds</font>, UTG calls $0.85.

Flop: ($2.55) 2[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333">Hero bets $1.5</font>, UTG calls $1.50.

Turn: ($5.55) J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333">Hero bets $3.5</font>, <font color="#CC3333">UTG raises to $7</font>