Can/Should I bake lightmaps in a completely dark room?

My scene is completely dark. Everything is static. I can bake light maps, but the only light source will be a realtime point light that the character moves around.

Can I use lightmaps? If there were lights in the scene that were baked/mixed, I wouldn't be asking the question, but considering there's only one light that is real time, what are my options? The main reason I'm asking is so I wouldn't have to use Ambient Occlusion as a post process effect, but just have it baked into lightmaps. Thanks!