I didn't cbet this flop vs the two players, and in particular Player 1 who was a complete station and would call to showdown with 4th air vs a 80% pot bet on both turn and river.

What do you think about my sizing on the turn?
And what player 4 has.

Player 3(SB) $12.36 - VP:30 PFR:15 AF:Inf. W:17|100 STL:67|62 3B:9| CB:100| N:1.46 Hands:33
Player 4(BB) $9.90 - VP:25 PFR:0 AF:2.0 W:0| STL:0|0 3B:0|0 CB: N:2.60 Hands:4
Me(BTN) $16.53
Player 5(UTG) $17.15 - VP:14 PFR:11 AF:2.5 W:50|50 STL:56|75 3B:5|0 CB:33| N:-2.15 Hands:88
Player 6(MP) $6.84 - VP:18 PFR:14 AF:2.0 W:33|67 STL:50|67 3B:10|0 CB:40|100 N:1.84 Hands:50
Player 1(CO) $17.27 - VP:85 PFR:57 AF:0.6 W:35|41 STL:90|18 3B:15|6 CB:7|19 N:-17.62 Hands:91


Pre Flop: Me(BTN) with [Ac,Kd]
Player 5(UTG) folds,
Player 6(MP) folds,
Player 1(CO) raises 0.20,
Me(BTN) raises 0.80,
Player 3(SB) folds,
Player 4(BB) calls 0.70,
Player 1(CO) calls 0.60


Flop: (5c,7h,3c)(3 players)
Pot - 2.45
Player 4(BB) checks,
Player 1(MP) checks,
Me(BTN) checks


Turn: Ad (3 players)
Pot - 2.45
Player 4(BB) bets 0.10,
Player 1(MP) folds,
Me(BTN) raises 1.30,
Player 4(BB) calls 1.20


River: 2h (2 players)
Pot - 5.05
Player 4(BB) bets 5.05,
Me(BTN) ?