deep vs a donk. thin river value push.

[jj12]

Villain is 40/20/3 and is quite dumb. I am primarily questioning my turn play. I was thinking that with the 4-str8 on board he isn't calling a raise. So I was going to vbet the river when/if he checks.

No Limit Holdem Ring game
Blinds: $5/$10
4 players
Converter

Stack sizes:
Hero: $1710.5
Button: $3700.19
SB: $1085
BB: $1604.75

Pre-flop: (4 players) Hero is UTG with 5[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/diamond.gif[/img]
<font color="#cc0000">Hero raises to $30</font>, 2 folds, <font color="#cc0000">BB raises to $70</font>, Hero calls.

Flop: 8[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/heart.gif[/img] ($145, 2 players)
<font color="#cc0000">BB bets $160</font>, Hero calls.

Turn: 5[img]/images/graemlins/heart.gif[/img] ($465, 2 players)
<font color="#cc0000">BB bets $320</font>, Hero calls.

River: K[img]/images/graemlins/spade.gif[/img] ($1105, 2 players)
BB checks, <font color="#cc0000">Hero is all-in $1150.5</font>, BB calls.