I never heard of any story about a dragon, but there are animal-types in the Old Testament Sanctuary--probably entities that we know nothing about. I know of several species of people taking part in the Sanctuary Service in the Old Testament Scrolls. Rachel Elior wrote a book and only one chapter was released in English. That chapter was a precise recollection of the things which went on in the Sanctuary (including lots of dialog), and apparently did not contain the animal sacrifice done in the Earthly temple.

There are some STRANGE creatures in the bible and I wouldn't be surprised at all of the dragon--especially since Satan was once part of the Sanctuary Service--probably in his dragon role. He was once one of the covering angels on the Mercy Seat of the Ark of God's Testament.