Passive line with outs and top pair

[SomethingClever]

Meh? Button is loose and steals a lot. I wouldn't call him a LAG though as he's not ridiculously aggressive postflop.

Should I be donking the flop and taking it from there?

Party Poker 3/6 Hold'em (6 max, 4 handed) converter

Preflop: Hero is BB with K[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Button raises</font>, SB calls, Hero calls.

Flop: (6 SB) 9[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, Hero checks, <font color="#CC3333">Button bets</font>, SB calls, Hero calls.

Turn: (4.50 BB) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, Hero checks, <font color="#CC3333">Button bets</font>, SB calls, Hero calls.

River: (7.50 BB) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, Hero checks? and calls?