Bodog 215(tough hand in a limped pot)

[Rock3656]

5 way pot, 3 limpers.
Utg+1(3025)
cutoff(2000)
button(3060)
SB(4800)
Hero-BB(2900)

Blinds 15/30
limps to me and I check with 5 [img]/images/graemlins/spade.gif[/img]6 [img]/images/graemlins/heart.gif[/img]

Flop:K [img]/images/graemlins/heart.gif[/img]J [img]/images/graemlins/spade.gif[/img]6 [img]/images/graemlins/club.gif[/img]

Checks around

Turn: 5 [img]/images/graemlins/heart.gif[/img]

SB leads for 150 I elect to call, and the button calls as well.

The river:6 [img]/images/graemlins/diamond.gif[/img]

SB leads for 600. what's your line?