Do I need to cbet this flop? The problem is i dont see too many worse hands that call but at the same time a bunch of overcards might fall on the turn/river

PokerStars No-Limit Hold'em, $0.50 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop

Button ($55.60)
SB ($50.25)
BB ($50)
UTG ($72.05)
UTG+1 ($52.50)
MP1 ($75.10)
MP2 ($50)
Hero (CO) ($50)

Preflop: Hero is CO with 9, 9
1 fold, UTG+1 calls $0.50, 2 folds, Hero bets $2.50, 2 folds, BB calls $2, UTG+1 calls $2

Flop: ($7.75) 10, 5, 7 (3 players)
BB checks, UTG+1 checks, Hero bets $4