K9s as PFR multiway

1/3 game,7-handed loose passive table overall.
V1 (~$350) young player, seems to have reasonable preflop standards, timid postflop.
V2 (~$150) older player, type who limp calls AQ and comes to life when he feels a little more secure about having a hand.
V3 (~$250) a loose middle aged player
Hero (covers) should have a tag image, has some decent hands so preflop raised more than others if they are noticing, which some interpret as "too aggressive"

V2, V3 limp and H raises K♦9♦ in the CO to $15. V1 in BB and 2 limpers call.

Flop ($60) 8♦7♥3♦
Checks to hero and since this board shouldn't be too good for anyone and they are passive, H bets $40 to rep an overpair. V1 seems conflicted but tank calls. V2 calls pretty quickly but I guess he had time to think. V3 folded.

Turn ($180) Q♦
V1 checks, V2 insta shoves for $90, H calls (?), V1 again thinks and finally calls.

River ($450) 5♦
V1 checks . Looks like he has about $200 left...