1000nl Awkward spot

[grac]

I presume villian is a donk just based off his stack. This river is an instacall? Before I only get fold preflop replies I was making a play at an oop bb post.

Poker Stars - No Limit Hold'em Cash Game - $5/$10 Blinds - 5 Players - (LegoPoker HH Converter)

SB: $854.00
BB: $585.00
Hero (UTG): $1,000.00
CO: $200.00
BTN: $820.00

Preflop: Hero is dealt 5[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img] (5 Players)
<font color="red">Hero raises to $40.00</font>, 3 folds, BB calls $30.00

Flop: ($95) 6[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/heart.gif[/img] (2 Players)
BB checks, <font color="red">Hero bets $70.00</font>, BB calls $70.00

Turn: ($235) A[img]/images/graemlins/club.gif[/img] (2 Players)
BB checks, <font color="red">Hero bets $150.00</font>, BB calls $150.00

River: ($535) T[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">BB bets all-in for $325.00</font>

Pot Size: $860.00