hollywood park 20-40 nut flush

[johnsy]

game is great.....mostly super lags....2 good players........good player 2 bets utg......2 lags call...i call w/ ad 6d.......lag button calls....sb folds.....bb calls......6 to the flop of 235 all diamonds.........i love this game.......all check to button who bets.......pre flop raiser calls ...lag calls i call........turn jh..........all check again to button who bets, utg calls , i raise, button folds, utg (PREFLOP RAISER) calls....river 5s.......he checks...i bet... he check raises????? i call........the hand played itself until the river....my question is simple....should i 3 bet the river here????? remember utg is solid player......thanks results to follow