TT weird overpair vs TAG

[shpanko]

Villain is Goosfraaba and runs like 23/16/5, 7/5/3 by street. Normally this is a fold I guess but his flop raise was really weird. THoughts?

Full Tilt Poker, $1/$2 NL Hold'em Cash Game, 6 Players
LeggoPoker Hand History Converter

SB: $200
BB: $198
Hero (UTG): $526.75
MP: $147.60
CO: $200
BTN: $454.70

Pre-Flop: T[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/diamond.gif[/img] dealt to Hero (UTG)
<font color="red">Hero raises to $7</font>, MP folds, CO calls $7, 3 folds

Flop: ($17) 9[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $10</font>, <font color="red">CO raises to $28</font>, Hero calls $18

Turn: ($73) 3[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, <font color="red">CO bets $45</font>, Hero calls $45

River: ($163) 4[img]/images/graemlins/diamond.gif[/img] (2 Players)
Hero checks, <font color="red">CO bets $120 and is All-In</font>, Hero folds

Results: $163 Pot ($3 Rake)
CO mucked and WON $160 (+$80 NET)