FT 2/4: set on monotone flop

[Exitonly]

Full Tilt Poker Game #1140996654: Table Alta (6 max) - $2/$4 - No Limit Hold'em - 23:48:04 ET - 2006/10/23
Seat 1: west_eh ($400)
Seat 2: gregmann2 ($447.40)
Seat 3: Exitonly ($666.30)
Seat 4: monkeyslapper ($419.60)
Seat 5: slapaaazz ($837.40)
Seat 6: Stacy99 ($405.70)
Stacy99 posts the small blind of $2
west_eh posts the big blind of $4
The button is in seat #5
*** HOLE CARDS ***
Dealt to Exitonly [5d 5c]
gregmann2 folds
Exitonly raises to $14
monkeyslapper calls $14
slapaaazz folds
Stacy99 folds
west_eh folds
*** FLOP *** [Ks 6s 5s]
Exitonly bets $28
monkeyslapper calls $28
*** TURN *** [Ks 6s 5s] [8d]
Exitonly bets $60
monkeyslapper calls $60
*** RIVER *** [Ks 6s 5s 8d] [9h]
Exitonly bets $120
monkeyslapper raises to $317.60, and is all in
Exitonly has 15 seconds left to act
Exitonly folds
?

villain is unknown, flop and turn calls were made pretty quick.

im a callaholic, and for some reason i decided this was where i was gonna change.. is this stupid?

[bigballz]

I don't see how you can call here vs. an unknown. Seems like huge spew

[olof86]

check river and reevaluate after his action? can't see him calling a riverbet with a lonely K.
As played, you can't more then fold and give him credit for making a good bluff; which will happen from time to time.