it seems they almost always have a made flush, is it even worth continuing at this point?

Party Poker 0.50/1 Hold'em (6 max, 6 handed) FTR converter on zerodivide.cx

Preflop: Hero is Button with A[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, MP calls, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises</font>, SB calls, BB calls, MP calls.

Flop: (8 SB) 8[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">BB bets</font>, MP calls, <font color="#CC3333">Hero raises</font>, SB calls, BB calls, MP calls.

Turn: (8 BB) 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, BB checks, <font color="#CC3333">MP bets</font>, <font color="#CC3333">Hero ???