Did I have to fold on the turn?

PokerStars - $0.02 NL (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4

MP: 48.5 BB (VPIP: 53.57, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 28)
CO: 100 BB (VPIP: 26.23, PFR: 16.39, 3Bet Preflop: 0.00, Hands: 62)
BTN: 283.5 BB (VPIP: 28.57, PFR: 21.43, 3Bet Preflop: 8.33, Hands: 115)
SB: 157.5 BB (VPIP: 77.78, PFR: 22.22, 3Bet Preflop: 20.00, Hands: 9)
BB: 100 BB (VPIP: 15.38, PFR: 10.41, 3Bet Preflop: 1.47, Hands: 226)
Hero (UTG): 82.5 BB

SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has A♦ T♠

Hero raises to 2.5 BB, MP calls 2.5 BB, CO calls 2.5 BB, fold, fold, fold

Flop: (9 BB, 3 players) 7♦ T♣ A♣
Hero bets 6.5 BB, MP calls 6.5 BB, CO calls 6.5 BB

Turn: (28.5 BB, 3 players) K♠
Hero bets 21 BB, MP calls 21 BB, CO raises to 91 BB and is all-in, Hero calls 52.5 BB and is all-in, MP calls 18.5 BB and is all-in

River: (215 BB, 3 players) 4♥

Hero shows A♦ T♠ (Two Pair, Aces and Tens)

Main Pot [147 BB]: (Pre 8%, Flop 0.1%, Turn 0%)
Side Pot#1 [68 BB]: (Pre 36%, Flop 9%, Turn 5%)

CO shows 7♥ 7♠ (Three of a Kind, Sevens)

Main Pot [147 BB]: (Pre 20%, Flop 5%, Turn 2%)
Side Pot#1 [68 BB]: (Pre 64%, Flop 91%, Turn 95%)

MP shows A♠ A♥ (Three of a Kind, Aces)

Main Pot [147 BB]: (Pre 72%, Flop 95%, Turn 98%)

MP wins 139.5 BB
CO wins 64.5 BB

A put him KcQc, KcJc, KTs, 77 and AT.
The third player was put in a single flushdraw.