KK vs calling station who got agressive

[prodonkey]

Villain is 54/5/1.4

Full Tilt Poker No-Limit Hold'em, $0.50 BB (4 handed) Hand History converter Courtesy of PokerZion.com

BB ($50)
Hero ($88.85)
Button ($47.35)
SB ($81.20)

Preflop: Hero is UTG with K[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">Hero raises to $2</font>, Button calls $2, <font color="#666666">2 folds</font>.

Flop: ($4.75) 5[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $4.75</font>, <font color="#CC3333">Button raises to $9.5</font>,

hero ???

how often is KK going to be good here? He's never doing this with a flush draw in my opinion, he's the type that just calls if someone bets, but he will bet some really retarded crap if everyone checked.