They do make short-queen bedding, but choices are limited. We had a short queen in our WH but as TWP noted, used full-queen sheets and tucked in the excess. Not sure the year of your TT, but pretty sure that as of 2016, and possibly 2015, Jayco is using a regular sized queen in the master.
Rob & Kelly, Bella & Brady (Miniature Schnauzers)
2016 Eagle 323LKTS
2016 Ram 2500 6.7L CTD
2015 White Hawk 29REKS Summit Edition (Traded)