AA facing CRAI on a drawy flop

[KCrow]

Villain is 22/16/4 over 250 hands. No history with him or any reads.

Full Tilt Poker - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $102.05
Hero (BB): $50.90
UTG: $54.45
MP: $51.00
CO: $51.30
BTN: $18.55

Preflop: Hero is dealt A[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img] (6 Players)
2 folds, CO calls $0.50, BTN folds, <font color="red">SB raises to $2.50</font>, <font color="red">Hero raises to $7.75</font>, CO folds, SB calls $5.25

Flop: ($16) T[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/spade.gif[/img] (2 Players)
SB checks, <font color="red">Hero bets $12.00</font>, <font color="red">SB raises all-in to $94.30</font>, Hero?

I always feel like a fish stacking off with overpairs. I've put him on this hand range, not to mention complete bluffs. Any thoughs?

Board: Td 7s 8s
Dead:

equity win tie pots won pots tied
Hand 0: 55.214% 54.00% 01.22% 13899 313.00 { AdAh }
Hand 1: 44.786% 43.57% 01.22% 11215 313.00 { KK-QQ, TT, 88-77, AsKs, AsQs, AsJs, AsTs, KsQs }