2/4NL: My head hurts on every street

[HoldEmKillah]

Yeah i know..preflop is horrible. Whatever. I decided to limp then call a raise. Turn and river kill me.

Button is a gambler..34/22/2 SB is a tool..horrible player: 59/8/.7

Help me out here.

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

saw flop|<font color="#C00000">saw showdown</font>

<font color="#C00000">SB ($764.90)</font>
BB ($687.40)
UTG ($191.60)
<font color="#C00000">Hero ($342.50)</font>
CO ($342.90)
<font color="#C00000">Button ($320.20)</font>

Preflop: Hero is MP with 8[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/spade.gif[/img]. SB posts a blind of $2.
<font color="#666666">1 fold</font>, Hero calls $4, <font color="#666666">1 fold</font>, <font color="#CC3333">Button raises to $15</font>, SB (poster) calls $13, <font color="#666666">1 fold</font>, Hero calls $11.

Flop: ($49) J[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">SB bets $15</font>, Hero calls $15, <font color="#CC3333">Button raises to $40</font>, SB calls $25, Hero calls $25.

Turn: ($169) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">SB bets $50</font>, Hero calls $50, Button calls $50.

River: ($319) A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">SB bets $100</font>, Hero calls $100, Button calls $215.20 (All-In), SB calls $115.20

Do I just fold even given the price? URG!