Can anyone help me find a one-handed piano version or flute arrangement of "Mary Did You Know?"?

HERE YOU GO
http://forpiano.com/FILES/marry_did_you_...

Now i know it is the full arrangement, but its all i could find.

For the flute though, and even the one handed, I'm assuming you just wanted the melody. So all you do is play the vocals line.

Many flautists do this!

Good luck