Well considering her positive for rabies, her drool fell on an intact skin is a type 1 exposure, you just need to wash your hand with soap water that's it. But if it's contacted with bleeding skin or mouth you need to take post exposure prophylaxis (injection)
Next Steps
Need not to worry. Post exposure prophylaxis or rabies immunoglobulin are easily available at any big hospitals and some government hospitals. In case you're still in doubt visit a clinician