25NL - villian bets into me when board pairs

[homeslice]

I've played 5+ orbits with this villian. Villian is loose PF, and aggressive when he has something postflop. But he's capable of bluffing. Can I call his turn bet?

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

Button ($14.60)
SB ($24.75)
BB ($12.90)
UTG ($7.25)
MP ($14.65)
Hero ($42.45)

Preflop: Hero is CO with J[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, MP calls $0.25, <font color="#CC3333">Hero raises to $1.25</font>, <font color="#666666">3 folds</font>, MP calls $1.

Flop: ($2.85) K[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP bets $1</font>, <font color="#CC3333">Hero raises to $4</font>, MP calls $3.

Turn: ($10.85) 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP bets $9.4 (All-In)</font>, Hero ???