Top pair, out of position against a superdonk

[Paradigm]

Prima $.50/1.00 NL

Hero is SB (~$40) Villain is a super-donk-LAG with ~$100 who has been giving up chips, luckboxing them back, and giving them back again.

UTG folds, Villain-douche raises to $3, MP folds, LP folds, button folds, Hero calls in SB with Jh 9d, BB calls.

Flop ($9): 5s 9h 7d

Hero checks. BB checks. LAG douche bets $5. Hero raises to $10. BB folds. Villain scum calls $5.

Turn ($29): 5h.

Hero bets $10. Villain raises to $20. Hero calls $10.

River ($69): 2s.

Hero checks. Villain bets $4. Hero calls.

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thoughts appreciated. slay away! results to come.