PP for set value flops open ender; now what?

[Socristotle]

Everleaf No-Limit Hold'em, $0.10 BB (6 handed) - Everleaf Converter Tool from FlopTurnRiver.com

SB ($17.38)
BB ($8.25)
UTG ($6.75)
Hero (MP) ($7.72)
CO ($10.16)
Button ($10.77)

Preflop: Hero is MP with 6, 6
1 fold, Hero calls $0.10, CO bets $0.40, 3 folds, Hero calls $0.30

Flop: ($0.95) 7, 4, 5 (2 players)
Hero checks, CO bets $0.85, Hero ??

?? Villain is 25/20 with a 31% c bet. My image is similarly tight. Is this Ev to call? Should i lead here or just fold? I played them for set value originally.