If she's had one since she was 6 mths to a little over 1 year of age, I wouldn't. Mine are only going to get rabies for the rest of their lives. If you're worried, you can do titers, but just be aware, I've heard some people talking about those in-house kits that vets get haven't been reading right--usually in favor of the vet giving shots.
Sending blood out to an independent lab gets other readings.