This fold bothers me for some reason. I feel I'm ahead of his range but ugh...he is 67.74/24.19/4.xx after 60 hands. So this is a good fold, right?

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($98.50)
MP ($129.20)
Hero ($111.65)
Button ($30)
SB ($100)
BB ($132.30)

Preflop: Hero is CO with A, T.
1 fold, MP calls $1, Hero raises to $5, 3 folds, MP calls $4.

Flop: ($11.50) A, 3, 8 (2 players)
MP checks, Hero bets $7, MP raises to $124.2, Hero folds.

Final Pot: $142.70