NL25 - AK - River vbet raised all in

Villain is playing 14/7

He shoved the river very very quickly. I thought he either had a set/KQ or, more likely, was putting me on a bluff. I did call so I'll reveal what he had after a few responses

Submitted by : Yaffie

PokerStars Game #18374235132: Hold'em No Limit ($0.10/$0.25) - 2008/06/25 - 12:06:32 (ET)
Table 'Oberon' 9-max Seat #6 is the button
Seat 1: JustMe1019 ($20.25 in chips)
Seat 2: trickybas789 ($25.55 in chips)
Seat 3: okupa ($4.35 in chips)
Seat 4: scoop1924 ($13.85 in chips)
Seat 5: HeyOver ($29.95 in chips)
Seat 6: k030101 ($22.75 in chips)
Seat 7: RollTideRoll ($24.85 in chips)
Seat 8: exhumed666 ($30 in chips)
Seat 9: Hero ($27.60 in chips)
RollTideRoll: posts small blind $0.10
exhumed666: posts big blind $0.25
scoop1924: posts big blind $0.25

Holecards
Dealt to Hero
Hero : raises $0.75 to $1
JustMe1019: folds
trickybas789: folds
okupa: folds
scoop1924: folds
HeyOver: folds
k030101: folds
RollTideRoll: calls $0.90
exhumed666: folds

Flop (Pot : $2.50)

   
RollTideRoll: checks
Hero : bets $1.75
RollTideRoll: calls $1.75

Turn (Pot : $6.00)

   
RollTideRoll: checks
Hero : checks

River (Pot : $6.00)

   
RollTideRoll: checks
Hero : bets $3.50
RollTideRoll: raises $18.60 to $22.10 and is all-in
Hero : ?

fold