Rice Milk Powder

Have you ever seen recipes that call for soy milk powder?  I have seen a lot of those recipes.  While we do not have allergies to soy, we like to avoid it most of the time (it mimics estrogen way too much).  For whatever reason, I have never seen it stated anywhere that one could use rice milk powder.  I did not even know there was such a thing until I was dairy free for over a year.  So...