Turned three jackals on dangerous board, go for value?

1/3 NLHE 8 handed.

V - Maniac. VPIP about 80-90%. Always straddling. Blind opening 25 sometimes. Coming in for a raise on every straddle. Everyone else at the table is a mix of tight passive and loose passive and they're all trying to trap him. He's just bet-fold-bet-fold-bet fold mode. He can x/raise light and calls a lot when people push back with aggression (so he's kind of a whale in that sense). He punted a BI earlier and rebought and now ran it deepish ~900$. Covers the table anyway. Table is drinking and happy. V has showndown hands like K2o, Q2s, KTo, and 87o. He's the kind of guy that's really dangerous when he wakes up with a real hand because people just put it AI with him with any pair. Covers. BB.

H - Just came over from another table that broke. Has a tight nitty image to V from being short stacked and card dead. Has been stuck all night and just wants to get even and go home. He's in for 7 hours now and down about 100$. H 3-bet V earlier (3 orbits ago) when he cold opened 15 and got 3 callers IP, H made it 75 from the BB with JJ and everyone folded. H was nursing the shortest stack (~250$) at the table before doubling up through a drunk and now has about 550$. CO.

HH - (would like advice) - 6 handed, V straddles BTN, H opens HJ to 20, V calls, HU OOP. H has A♦ K♣ and only 265$ back, 285$ to start the hand. Flop 40 - 7-4-2r. Check check. Turn 40 - 7 two spades. H checks, V overbets 65, H folds, deciding to wait for a better spot?

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Somehow no one straddles - Folds to loose passive indian who limps HJ, H sees J♣ J♥ and opens to 15, SB station calls, V calls BB. 4 ways IP.

Flop 60 - Q♠ 7♠ 2♣

Checks through

Turn 60 - J♠

Check, check, check, H bets 20, only V calls, HU.

River 100 - 9♣

V checks, Hero?