Flopped flush, river from hell

[ticks]

Just sat down.
Do you call this river?

Party Poker No-Limit Hold'em, $ BB (6 max, 5 handed) converter

saw flop|<font color="#C00000">saw showdown</font>

BB ($21.75)
<font color="#C00000">UTG Villain ($21.55)</font>
MP ($8.60)
Button ($18.75)
<font color="#C00000">Hero ($33)</font>

Preflop: Hero is SB with 5[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/club.gif[/img]. Hero posts a blind of $0.10.
Villain calls $0.25, <font color="#CC3333">MP raises to $0.5</font>, <font color="#666666">1 fold</font>, Hero (poster) calls $0.40, BB calls $0.25, Villain calls $0.25.

Flop: ($2) J[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets $2</font>, BB folds, Villain calls $2, MP folds.

Turn: ($6) 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $6</font>, Villain calls $6.

River: ($18) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Villain bets $4</font>, Hero...