trips, wtf?

[jamiezig]

so i'm working on being less of a station, especially on the river, and found myself thinking about a fold on this river. villian is like 32/1 w/high agression factor post flop. i've seen him fold to a raise earlier in this session. is raise/folding insane here?

PokerStars No-Limit Hold'em, $10 BB (6 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

BB ($1047.05)
UTG ($2325)
MP ($1384.75)
Hero ($1195.75)
Button ($843.50)
SB ($608.80)

Preflop: Hero is CO with , .
[color=#666666]2 folds</font>, [color=#CC3333]Hero raises to $40</font>, Button calls $40, SB calls $35, [color=#666666]1 fold</font>.

Flop: ($130) , , [color=#0000FF](3 players)</font>
SB checks, Hero checks, Button checks.

Turn: ($130) [color=#0000FF](3 players)</font>
SB checks, Hero checks, Button checks.

River: ($130) [color=#0000FF](3 players)</font>
[color=#CC3333]SB bets $50</font>, [color=#CC3333]Hero raises to $175</font>, Button folds, [color=#CC3333]SB raises to $568.8</font>

Hero?