This is a question for the LAggier, trickier players. Ring, Sng, or tourney.

Assume villain is unknown and you both have comfortable stacks. You open with a standard raise with 7d8d on the button. BB calls.

Flops is A56r, villain checks and you bet 3/4 pot. Villain calls. Turn blanks and villain checks. Do you fire a 2nd barrell here or take the free river card?

Do you fire a 2nd barrell or take the free river card assuming the flop action was the same, turn blanked, and villain checked the turn for these flops?
Ad2d9c? flush draw
Ad4d5c? flush draw + gutshot
5d6dAc? OESFD

Please give your reasoning behind your answers.