I think you are "good Mom" to be worried for your daughter as there is a lot of unknown factors when it comes to rush, and a lot of people will want to blow sunshine your way.
This thread should help your daughter to be prepared:
My Advice to Rushees
Yeah, I suppose that it is a thread meant more for rush at Southern, Competitive Schools, but I think best to be prepared, than showing up and trying to "wing it".