Call or fold the 3rd nut flush?

[el_grande]

No real reads on villian at the time. Looking at PT, they are 34% VP$IP, 2% PFR after 44 hands.

Party Poker No-Limit Hold'em, $ BB (6 max, 5 handed) FTR converter on zerodivide.cx

UTG ($45.67)
Hero ($83.92)
Button ($50.45)
SB ($177.26)
BB ($52.34)

Preflop: Hero is MP with Q[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/heart.gif[/img]. SB posts a blind of $0.25.
<font color="#666666">1 fold</font>, Hero calls $0.50, Button calls $0.50, <font color="#CC3333">SB (poster) raises to $1.25</font>, <font color="#666666">1 fold</font>, Hero calls $1, Button calls $1.

Flop: ($5) 9[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, Hero checks, Button checks.

Turn: ($5) 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets $3</font>, Button calls $3, SB folds.

River: ($11) T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $5</font>, Button calls $45.95 (All-In), Hero...