Easy full house fold on ugly river?

[The Bean Counter]

Villain was about 21/6 over 20 hands and seemed nothing other than the usual late Friday night loose passive player.


PokerStars Hand #79916282158: Hold'em No Limit ($0.05/$0.10 USD) - 2012/05/04 22:49:58 WET [2012/05/04 17:49:58 ET]
Table 'Desagneauxa' 9-max Seat #5 is the button
Seat 1: Player 1 ($12.63 in chips)
Seat 2: Player 2 ($6.54 in chips)
Seat 3: Player 3 ($4.91 in chips)
Seat 4: Player 4 ($5.21 in chips)
Seat 5: VILLAIN ($4.22 in chips)
Seat 6: HERO ($10.39 in chips)
Seat 7: Player 7 ($14.21 in chips)
Seat 8: Player 8 ($4.05 in chips)
Seat 9: Player 9 ($10.32 in chips)
HERO: posts small blind $0.05
Player 7: posts big blind $0.10
*** HOLE CARDS ***
Dealt to HERO [3h 3d]
6 folds
VILLAIN: calls $0.10
HERO: calls $0.05
Player 7: checks
*** FLOP *** [Kh Ks 3c]
HERO: bets $0.20
Player 7: folds
VILLAIN: calls $0.20
*** TURN *** [Kh Ks 3c] [6h]
HERO: bets $0.60
VILLAIN: calls $0.60
*** RIVER *** [Kh Ks 3c 6h] [6d]
HERO: checks
VILLAIN: bets $1.10
HERO: folds
Uncalled bet ($1.10) returned to VILLAIN
VILLAIN collected $1.81 from pot

[Keith]

PokerStars No-Limit Hold'em, $0.10 BB (3 handed) - PokerStars Converter Tool from FlopTurnRiver.com

Button ($4.22)
Hero (SB) ($10.39)
BB ($14.21)

Preflop: Hero is SB with 3, 3
Button calls $0.10, Hero calls $0.05, BB checks

Flop: ($0.30) K, K, 3 (3 players)
Hero bets $0.20, 1 fold, Button calls $0.20

Turn: ($0.70) 6 (2 players)
Hero bets $0.60, Button calls $0.60

River: ($1.90) 6 (2 players)
Hero checks, Button bets $1.10, Hero folds

Total pot: $1.90

[Vinland]

meh....not sure....I think I b/f the river here.

[Icanhastreebet]

I think c/f is mehhhhh because he might value bet QQ-77 type shit. I probably block bet like 50c.