NLO8/b Game, Bottom Trips

[Nemmy]

PokerStars (5 handed) FTR converter on zerodivide.cx

Preflop: Hero is UTG with 5[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/diamond.gif[/img]. SB posts a blind of 5.
Hero calls, MP calls, Button calls, SB (poster) completes, BB checks.

Flop: 5[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, BB checks, <font color="#CC3333">Hero bets</font>, MP calls, Button folds, SB calls, BB folds.

Turn: T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, MP calls, SB calls.

River: K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks...

What do you do here? I was playing at a table where people would play almost any hand, and and no one was hitting trips.