AA river fold ?

[gcaash]

Poker Stars - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 5 Players - (LegoPoker (http://www.legopoker.com) Hand History Converter (http://www.legopoker.com/hh))

SB: $13.85
Hero (BB): $16.30
UTG: $19.60
CO: $9.35
BTN: $9.85

Preflop: Hero is dealt A/images/graemlins/spade.gif A/images/graemlins/club.gif (5 Players)
UTG calls $0.10, 3 folds, <font color="red">Hero raises to $0.50</font>, UTG calls $0.40

Flop: ($1.05) T/images/graemlins/diamond.gif 2/images/graemlins/spade.gif T/images/graemlins/spade.gif (2 Players)
<font color="red">Hero bets $0.80</font>, UTG calls $0.80

Turn: ($2.65) K/images/graemlins/diamond.gif (2 Players)
<font color="red">Hero bets $1.50</font>, UTG calls $1.50

River: ($5.65) 7/images/graemlins/diamond.gif (2 Players)
Hero checks, <font color="red">UTG bets $6.80</font>, Hero ??

Pot Size: $19.25 ($0.95 Rake)

[Eddi]

Bet turn harder - there is a ton of draws, don't let them get away for cheap.
The donk bet w/o a read suggests a fold here.

[choccypie]

You'll have to fold to the donk I think. The way he called your every bet and only lead out on the river suggests he's either hit his flush, or has a T and is afraid the river card has made you a flush.