bottom set vs raise river

PokerStars - €0.10 NL (6 max) - Holdem - 5 players

Hand converted by PokerTracker 4

UTG: 91.3 BB (VPIP: 24.33, PFR: 1.22, 3Bet Preflop: 1.08, Hands: 420)

CO: 174.8 BB (VPIP: 57.75, PFR: 14.73, 3Bet Preflop: 0.78, Hands: 267)

BTN: 83.6 BB (VPIP: 50.00, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 2)

Hero (SB): 123.3 BB

BB: 116.6 BB (VPIP: 26.36, PFR: 20.74, 3Bet Preflop: 6.17, Hands: 527)

Hero posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has 2:spade: 2:heart:

fold, CO raises to 3.5 BB, BTN calls 3.5 BB, Hero calls 3 BB, fold

Flop: (11.5 BB, 3 players) J:spade: 7:club: 2DIAMONd

Hero checks, CO checks, BTN checks

Turn: (11.5 BB, 3 players) 6:heart:

Hero bets 7.2 BB, CO calls 7.2 BB, fold

River: (25.9 BB, 2 players) Q:heart:

Hero bets 16.3 BB, CO raises to 73.5 BB, Hero ???

El rival es un fish. 59/15