NL25 low pocket pairs - need advice

[reemas]

not enough hands on opponent. about 30 hands he's 20/13.

Poker Stars, $0.10/$0.25 NL Hold'em Cash Game, 5 Players
LeggoPoker.com - Hand History Converter

BTN: $20
SB: $37.50
BB: $24.70
UTG: $26
Hero (CO): $29.20

Pre-Flop: 6[img]/images/graemlins/club.gif[/img] 6[img]/images/graemlins/heart.gif[/img] dealt to Hero (CO)
<font color="red">UTG raises to $1</font>
Hero calls $1
3 folds

Flop: ($2.35) 2[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">UTG bets $1.75</font>
Hero calls $1.75

Turn: ($5.85) 8[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">UTG bets $3.25</font>
<font color="red">Hero ?</font>

Do I fold here? Or is this weak and just shove? Please analyze all streets.