ZNL10 Top pair x donk bet turn and river

Poker Stars, $0.05/$0.10 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

SB: $36.52 (365.2 bb)
BB: $11.78 (117.8 bb)
UTG: $10.25 (102.5 bb)
Hero (MP): $14.62 (146.2 bb)
CO: $10.69 (106.9 bb)
BTN: $9.67 (96.7 bb)

Preflop: Hero is MP with Khttp://pokertools.holdemmanager.com/...ons/spade4.gif Ahttp://pokertools.holdemmanager.com/...ons/spade4.gif
UTG raises to $0.30, Hero raises to $0.90, 4 folds, UTG calls $0.60

Flop: ($1.95) 9http://pokertools.holdemmanager.com/...s/diamond4.gif Khttp://pokertools.holdemmanager.com/...ons/heart4.gif 3http://pokertools.holdemmanager.com/...cons/club4.gif (2 players)
UTG checks, Hero bets $0.93, UTG calls $0.93

Turn: ($3.81) Thttp://pokertools.holdemmanager.com/...s/diamond4.gif (2 players)
UTG bets $2.42, Hero calls $2.42

River: ($8.65) 8http://pokertools.holdemmanager.com/...ons/heart4.gif (2 players)
UTG bets $6 and is all-in, Hero folds

Results:

" $8.65 pot ($0.39 rake)
Final Board: 9http://pokertools.holdemmanager.com/...s/diamond4.gif Khttp://pokertools.holdemmanager.com/...ons/heart4.gif 3http://pokertools.holdemmanager.com/...cons/club4.gif Thttp://pokertools.holdemmanager.com/...s/diamond4.gif 8http://pokertools.holdemmanager.com/...ons/heart4.gif
UTG mucked and won $8.26 ($4.01 net)
Hero mucked Khttp://pokertools.holdemmanager.com/...ons/spade4.gif Ahttp://pokertools.holdemmanager.com/...ons/spade4.gif and lost (-$4.25 net)
"

Villain is VPIP: 23, PFR: 20, OR EP 16 3B: 17, F3B 60 ,4b range 0(5) AF: 1,5, FCB 50 (6) Hands: 195 WTSD 30(20) W$SD 33(6)

Fold River?