Whats your play and why? Villain doesnt seem to bluff often, plays unusually

***** Hand History for Game 2375765384 *****
$200 NL Texas Hold'em - Saturday, July 16, 22:25:07 EDT 2005
Table Table 36567 (6 max) (Real Money)
Seat 2 is the button
Total number of players : 6
Seat 1: EvilEcstasy_ ( $70.85 )
Seat 2: CrazyNutball ( $196.65 )
Seat 3: ArmaniSuit23 ( $205.50 )
Seat 4: Mdiddy1322 ( $102.70 )
Seat 5: LotsaHeart ( $247.50 )
Seat 6: chansen111 ( $204 )
ArmaniSuit23 posts small blind [$1].
Mdiddy1322 posts big blind [$2].
** Dealing down cards **
Dealt to EvilEcstasy_ [ 9s 9h ]
LotsaHeart folds.
chansen111 folds.
EvilEcstasy_ raises [$6].
CrazyNutball calls [$6].
ArmaniSuit23 folds.
Mdiddy1322 folds.
** Dealing Flop ** [ 4s, Kc, 6c ]
EvilEcstasy_ checks.
CrazyNutball bets [$2].
>You have options at Table 48738 (6 max) Table!.
EvilEcstasy_ ???