I own a JRT, they will get into all sorts of things, the best thing to do is call your vet! But I wouldn't be all too concerned! Lexi eats things all the time, some of those include:

-CDs
-Carpet
-Drywall
-Toys
-ME
-Her bed
-My bed
-Blankets
-Rabbit poopoo
-Slippers
-A WHOLE LOT MORE

That doesn't mean your will turn out liek that, LOL!

P.S. Welcome to Pet Talk! You'Re gonna have an awesome time here and meet lots of new people, whats your dogs name