NL 200: TT in 3-bet pot facing flop MR

[loosbastard]

Villain just sat down like an orbit ago...but his MR pre leans me to believe he's donkish. No other reads whatsoever.

Poker Stars - No Limit Hold'em Cash Game - $1/$2 Blinds - 6 Players - (LegoPoker HH Converter)

Hero (SB): $222.95
BB: $76.95
UTG: $200.00
MP: $216.00
CO: $213.50
BTN: $159.70

Preflop: Hero is dealt T[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/diamond.gif[/img] (6 Players)
2 folds, <font color="red">CO raises to $4.00</font>, BTN calls $4.00, <font color="red">Hero raises to $25.00</font>, BB folds, CO calls $21.00, BTN folds

Flop: ($56) 9[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $37.00</font>, <font color="red">CO raises to $74.00</font>, Hero?