How much can i call in position of my stack to be profitable here ?

Seat 1: Uoofa ($25 in chips)
Seat 2: daubariai ($25.43 in chips)
Seat 3: wafflecop ($25 in chips)
Seat 5: ImTh£Game ($24.15 in chips)
Seat 6: Ch33s3z0r ($25.45 in chips)
Ch33s3z0r: posts small blind $0.10
Uoofa: posts big blind $0.25
Terrorzorzz: sits out
*** HOLE CARDS ***
Dealt to ImTh£Game [7h 7s]
daubariai: folds
wafflecop: folds
ImTh£Game: raises $0.60 to $0.85
Ch33s3z0r: folds
Uoofa: raises $2.15 to $3
ImTh£Game: calls $2.15
*** FLOP *** [Jd 6d Td]
Uoofa: bets $4.37
ImTh£Game: folds
Uncalled bet ($4.37) returned to Uoofa
Uoofa collected $5.83 from pot
Uoofa: doesn't show hand
*** SUMMARY ***
Total pot $6.10 | Rake $0.27
Board [Jd 6d Td]
Seat 1: Uoofa (big blind) collected ($5.83)
Seat 2: daubariai folded before Flop (didn't bet)
Seat 3: wafflecop folded before Flop (didn't bet)
Seat 5: ImTh£Game (button) folded on the Flop
Seat 6: Ch33s3z0r (small blind) folded before Flop

Should i fold pre ? or how much percentage of my stack can i call to be profitable in the longrun here ? Thanks !

10% is the most i would put in preflop. i use a 10, 20, 30 rule.
10x (10%) pairs
20x (5%) suited connectors
30x (3.3%) suited gappers