Did I slow down too fast here?

[Fo10]

I thought my hand was good, but with all the action I had second guesses. Button is 87/16, pretty much playing any two cards to showdown, and at times has the table on tilt. CO is 18/5, and appears to be a decent player.

Party Poker 2/4 Hold'em (10 handed) converter

Preflop: Fo is SB with 8[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/spade.gif[/img].
UTG folds, UTG+1 folds, <font color="#CC3333">UTG+2 raises</font>, <font color="#CC3333">MP1 3-bets</font>, MP2 folds, MP3 folds, CO calls, Button calls, Fo calls, BB calls, UTG+2 calls.

Flop: (18 SB) 5[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(6 players)</font>
<font color="#CC3333">Fo bets</font>, BB calls, UTG+2 calls, MP1 calls, <font color="#CC3333">CO raises</font>, Button calls, <font color="#CC3333">Fo 3-bets</font>, <font color="#CC3333">BB caps</font>, UTG+2 folds, MP1 folds, CO calls, Button calls, Fo calls.

Turn: (18 BB) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Fo bets</font>, BB folds, <font color="#CC3333">CO raises</font>, Button calls, Fo calls.

River: (24 BB) 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
Fo checks, CO checks, <font color="#CC3333">Button bets</font>, Fo calls, <font color="#CC3333">CO raises</font>, Button calls, Fo calls.

Final Pot: 30 BB