Live ~ cbet or not?

2/2 no bring in, 9 handed timed rake

Effective 550

V1 ~ older white guy, tighter side?
V2 ~ was aggro/fishy yesterday until I stacked him twice, very passive afterwards, today very passive so far, seen him coldcall3b oop then x/f flops.
https://forumserver.twoplustwo.com/38/om...

Whale limps
V1 opens to 10 in hj
Hero in Co 3bets to 35 AJJTds(maybe flatting better? or 3betting is fine?)
V2 in bb coldcalls
V1 calls

3way pot 110
Flop K♠8♠6♥(not our suits)
both check
Hero?