Villain is 55/29 over 75 hands, this is the first time I've seen him.

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

Button ($303.95)
SB ($63.75)
BB ($100.40)
Hero ($299.50)
MP ($99.90)
CO ($98.50)

Preflop: Hero is UTG with T, T.
Hero raises to $4, 1 fold, CO calls $4, 2 folds, BB raises to $15, Hero calls $11, CO folds.

Flop: ($34.50) 5, T, K (2 players)
BB bets $20, Hero ??