Weak top pair facing weird flop overbet from unknown

[MikeyPatriot]

First orbit at table, absolutely zero reads

Poker Stars - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $75.40
BB: $124.75
UTG: $76.30
MP: $78.65
CO: $98.50
Hero (BTN): $100.00

Preflop: Hero is dealt K[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/club.gif[/img] (6 Players)
UTG calls $1.00, 2 folds, <font color="red">Hero raises to $5.00</font>, 2 folds, UTG calls $4.00

Flop: ($11.50) K[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">UTG bets $20.00</font>, Hero ???

[KurtSF]

He's most likely got the same hand, K with a crap kicker.

Fold for small pot and RIO.

[FGators]

Preflop is really marginal. With zero reads I fold here but am ready to make adjustments to this guy in the immediate future once I see a few hands.