Not sure how to play this str8 on 4 flush board

[RikaKazak]

No read on villian cause this is my first hand at the table. And he's not in my pokertracker. Hero's plan on river is???? I'm lost.


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

Hero ($400)
UTG ($620.49)
MP ($630.60)
CO ($394)
Button ($1581.47)
SB ($463.73)

Preflop: Hero is BB with 8[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/spade.gif[/img]. SB posts a blind of $2.
<font color="#666666">1 fold</font>, <font color="#CC3333">MP raises to $8</font>, <font color="#666666">2 folds</font>, SB (poster) calls $6, Hero calls $4.

Flop: ($24) 9[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets $14</font>, <font color="#CC3333">MP raises to $28</font>, SB folds, Hero calls $14.

Turn: ($80) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $50</font>, MP calls $50.

River: ($180) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>