A8s did i play like a 1 tabling donkey?

[silkyslim]

no specific reads, everyone at table seemed like somewhat loose passives. Any other way to play this?? i was so confused!

2/4 10 handed
I am dealt A8 [img]/images/graemlins/spade.gif[/img] MP2
3 limps, I limp, fold, CO raise, folds, limpers call, I call

flop for 10 SB: 9 [img]/images/graemlins/club.gif[/img]5 [img]/images/graemlins/club.gif[/img]6 [img]/images/graemlins/diamond.gif[/img]
checks around, I check, CO bets, all call.

turn for 7.5BB: A [img]/images/graemlins/heart.gif[/img]
UTG+x donks all-in, 1 call, <font color="red"> I raise </font> , CO cold calls all-in [img]/images/graemlins/confused.gif[/img], other guy calls

river: a lot of BB's:8 [img]/images/graemlins/diamond.gif[/img]
guy checks, I bet(2 players are all-in)