PokerStars No-Limit Hold'em, $0.50 BB (7 handed)

BB ($46.75)
UTG ($42.25)
MP1 ($42.90)
Ripptyde ($71)
CO ($20.20)
Button ($50)
Staresy ($83.50)

Preflop: Staresy is SB with 9 A
2 folds, Ripptyde raises to $2.5, 2 folds, Staresy ...

Rippy has been lagging it up since he sat down. For a tightie like me, do I want to look to play a marginal hand here OoP or should I consider my range to be way ahead here? Re-raising an option for anyone?