Villain is a reg running 19/14/3.6
I have a note on him that he will raise cbets with air. We don't really have a relevant history. I realize I don't beat much more than a bluff but how likely is he to be bluffing here?

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

UTG ($60.60)
Hero ($222.25)
CO ($153.15)
Button ($64.10)
SB ($62.60)
BB ($100)

Preflop: Hero is MP with T, Q.
1 fold, Hero raises to $4, 3 folds, BB calls $3.

Flop: ($8.50) 5, 5, 9 (2 players)
BB checks, Hero bets $6, BB raises to $16, Hero calls $10.

Turn: ($40.50) T (2 players)
BB checks, Hero bets $27, BB calls $27.

River: ($94.50) J (2 players)
BB bets $53 (All-In), Hero?