plo5 - Nuts on turn vs maniac line check

20plo5 - clubgg- minvpip 45%
Turn were we supposed to check/pot? Or trapping is fine?
River do we still call down vs maniac? Or was this a fold?

Hero (UTG): 189.7 BB
MP: 405.8 BB (VPIP: 89.47, PFR: 36.84, 3Bet Preflop: 0.00, Hands: 19)
CO: 100 BB (VPIP: 66.67, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 3)
BTN: 350.05 BB (VPIP: 63.16, PFR: 47.37, 3Bet Preflop: 42.86, Hands: 19)
SB: 287.55 BB (VPIP: 73.68, PFR: 10.53, 3Bet Preflop: 16.67, Hands: 19)
BB: 98.8 BB (VPIP: 81.82, PFR: 21.21, 3Bet Preflop: 7.14, Hands: 38)

6 players post ante of 0.2 BB, SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 2.7 BB) Hero has A♣ Q♠ J♥ 3♦ 2♣

Hero calls 1 BB, MP calls 1 BB, CO calls 1 BB, BTN calls 1 BB, SB calls 0.5 BB, BB checks

Flop: (7.2 BB, 6 players) T♠ 8♣ 3♣
SB checks, BB checks, Hero checks, MP bets 5.4 BB, fold, fold, fold, fold, Hero calls 5.4 BB

Turn: (18 BB, 2 players) 4♣
Hero checks, MP bets 13.5 BB, Hero calls 13.5 BB

River: (45 BB, 2 players) 8♠
Hero checks, MP bets 33.75 BB, Hero calls 33.75 BB