Villain 50/18 over 50 hands or so.

I'm seeing monsters under the bed due to constantly value-towning myself. $24/fold river, or too thin with flush coming in to scare out bottom part of his calling range? Turn size ok?

$0.50/$1 No Limit Holdem
6 Players
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Stacks:
UTG BJLTNYK ($100)
UTG+1 poloplaya14 ($115.80)
CO holdenator14 ($110.30)
BTN Trstn7 ($50)
SB angsthoaze ($253.20)
BB Hero ($116.95)

Pre-Flop: ($1.50, 6 players) Hero is BB
4 folds, angsthoaze calls $0.50, Hero raises to $4, angsthoaze calls $3

Flop: ($8, 2 players)
angsthoaze bets $1, Hero raises to $9, angsthoaze calls $8

Turn: ($26, 2 players)
angsthoaze checks, Hero bets $17, angsthoaze calls $17

River: ($60, 2 players)
angsthoaze checks, Hero ($86.95)?