TT in position

Is it reasonable of me to think that a pot sized bet on this board is likely protecting top pair? Or any vulnerable made hand? Either way, I was probably behind here right?

PokerStars - $1.29+$0.21|15/30 Ante 4 NL - Holdem - 8 players
Hand converted by PokerTracker 4

BB: 49.8 BB (VPIP: 25.00, PFR: 8.33, 3Bet Preflop: 0.00, Hands: 24)
UTG: 54.8 BB (VPIP: 8.70, PFR: 4.35, 3Bet Preflop: 0.00, Hands: 24)
UTG+1: 22.5 BB (VPIP: 16.67, PFR: 4.17, 3Bet Preflop: 0.00, Hands: 24)
MP: 86.3 BB (VPIP: 33.33, PFR: 25.00, 3Bet Preflop: 0.00, Hands: 24)
MP+1: 35.83 BB (VPIP: 16.67, PFR: 12.50, 3Bet Preflop: 0.00, Hands: 24)
CO: 44.07 BB (VPIP: 8.70, PFR: 4.35, 3Bet Preflop: 0.00, Hands: 70)
Hero (BTN): 60.07 BB
SB: 96.63 BB (VPIP: 19.76, PFR: 16.27, 3Bet Preflop: 6.25, Hands: 170)

8 players post ante of 0.13 BB, SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 2.57 BB) Hero has T♦ T♠

fold, fold, fold, fold, CO raises to 3 BB, Hero calls 3 BB, fold, fold

Flop: (8.57 BB, 2 players) 6♣ A♦ K♣
CO bets 8.57 BB, fold