UB 6-handed 50-1 hand; 3 overcards to my PP

[nicky g]

Fairly passive 6-handed game on UB. 2 limpers to me in the SB with 88, I raise, BB calls all-in, all call. Flop isn't too bad for me; Q53 rainbow. I bet and the two limpers call. Turn is less a less helpful king, putting a two flush on board. I grit my teeth and bet, only one calls. River is a 10 (doesn't complete the flush). I don't think a bet achieves much here so I check; limper bets. Who calls, who folds? I know very little about the player, he's just sat down and I don't play these games much.