I’ve never hired an escort myself but I have been on, way back when I was young and hot and just out of the Army.
Assuming she’s a professional, which it sounds like, you can absolutely count on her to keep her mouth shut and not reveal anything to anyone about what you do. That’s one of the things you pay her for. She will also probably have suggestions for how you can keep from getting caught. Listen to her: she’s seen your situation tons of times and knows what works and what doesn’t.