Kings, Paired Board

[Mercman572]

Villain is 60/3/1.5 after 30 hands, so he's bad.

Party Poker No-Limit Hold'em, $ BB (6 max, 6 handed) internettexasholdem.com

SB ($96.60)
BB ($93.80)
UTG ($245.05)
MP ($352.99)
Hero ($110.62)
Button ($87.10)

Preflop: Hero is CO with K[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/club.gif[/img]. SB posts a blind of $0.50.
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $5</font>, <font color="#666666">2 folds</font>, BB calls $4.

Flop: ($10.50) 3[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets $5</font>, <font color="#CC3333">Hero raises to $15</font>, <font color="#CC3333">BB raises to $25</font>, Hero calls $10.

Turn: ($60.50) 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $30</font>, BB calls $30.

River: ($120.50) 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, Hero checks.

How's my line? I figure I charge flush draws and get a good amount from a weaker overpair. I considered pushing the turn but I think I want to keep worse hands along at the wrong price. I considered checking but A high spade gets off cheap. I was planning on calling a push on a blank river