top pair facing a donk bet in the river

SupremaPoker - $0.2 NL (6 max) - Holdem - 5 players
Hand converted by PokerTracker 4

Hero (BTN): 83.25 BB
SB: 186.5 BB (VPIP: 31.06, PFR: 23.11, 3Bet Preflop: 5.45, Hands: 269)
BB: 102.5 BB (VPIP: 54.95, PFR: 30.77, 3Bet Preflop: 5.26, Hands: 407)
UTG: 90.5 BB (VPIP: 65.35, PFR: 13.86, 3Bet Preflop: 7.32, Hands: 101)
CO: 35 BB (VPIP: 76.30, PFR: 4.51, 3Bet Preflop: 1.56, Hands: 135)

SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has T♥ Q♥

fold, CO calls 1 BB, Hero raises to 4 BB, fold, fold, CO calls 3 BB

Flop: (9.5 BB, 2 players) 6♥ Q♦ J♣
CO checks, Hero bets 6.25 BB, CO calls 6.25 BB

Turn: (22 BB, 2 players) 5♣
CO checks, Hero bets 9.5 BB, CO calls 9.5 BB

River: (41 BB, 2 players) 3♥
[color=red]CO bets 15.25 BB and is all-in

call or fold?