Table full of stations, drawy flop - good overbet spot with a set?

[BorisTheSpider]

I very rarely overbet, at least not on the flop, so I thought I'd post this and see what everyone thinks - good spot for it, or more profitable to just pot it? Perhaps if I am going to overbet here, it needs to be bigger?

Poker Stars, $0.10/$0.25 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

Hero (BTN): $66.79 (267.2 bb)
SB: $30.14 (120.6 bb)
BB: $10.38 (41.5 bb)
UTG: $50.76 (203 bb)
MP: $25.35 (101.4 bb)
CO: $36.60 (146.4 bb)

Preflop: Hero is BTN with 7 7
UTG calls $0.25, MP folds, CO raises to $1.10, Hero calls $1.10, SB calls $1, BB calls $0.85, UTG calls $0.85

Flop: ($5.50) T 7 A (5 players)
SB checks, BB checks, UTG checks, CO checks, Hero bets $6.75