dog bone rawhide is OK, but a little thick for bowmaking.
I have made many VM bows, some rawhide backed. I use goat or deer. goat is almost too thin. Deer is great.
It's hard to debark VM without some minor back violations, so rawhide is a nice insurance policy, and if thin does not add too much weight.
my favorite VM design is a 60 inch bendy handle design. widest at the handle- 1 3/8. gradual narrowing to 3/8 nocks- i use back nocks, tie on knocks.
the back usually has some "roller coaster" undulations- follow them with the belly.
post pics of the stave and we'll help you through it if you want.