Villain is 19/13 over 140 hands, 5.9% 3bet, seen him 3bet 3 times so far and he's folded twice, hasn't 4bet yet. Has only folded to 33% (6 samples) of flop cbets.

Bet-call it off, or check it back?

Poker Stars, $0.10/$0.25 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

BTN: $16.08 (64.3 bb)
SB: $29.29 (117.2 bb)
BB: $32.15 (128.6 bb)
UTG: $19.13 (76.5 bb)
MP: $26.23 (104.9 bb)
Hero (CO): $51 (204 bb)

Preflop: Hero is CO with K Q
UTG folds, MP raises to $1, Hero raises to $2.75, 3 folds, MP calls $1.75

Flop: ($5.85) T 8 9 (2 players)
MP checks

Hero???