Yes, but get her going on improvisation and learning by ear early so she doesn't become sheet-music dependent. I appreciate sheet music for many things--I could stand to be a much better music reader myself--but a fast way to kill the fiddling instinct is to let somebody get too worried about the particulars. Got into a bit of an argument with a classical cellist last Christmas; I kept telling her that the tune was played one way and she kept asking me how it was written. I don't know how it was written. I'd never seen it written. I only knew how it was played and I'd taught it to other people just fine without so much as tab. This woman was technically a much better musician than I've ever been; I couldn't believe she didn't have the gumption to TRY it without written music.

Incidentally, although many primitive recordings don't do them justice, a lot of fiddlers were/are very fine musicians. We're not all chicken-scratchers.