I didn't see where you are located till after I had submitted. There's a food called Nature's Variety, Prarie. It's available in San Antonio here:
BARBARA'S CANINE CLIPS & BOWS, McCullough, San Antonio, TX 78212, 210-826-5742 5259
LOCKE HILL FEED, 4927 Golden Quail,San Antonio, TX 78240, 210-691-2351
PALM GARDEN, San Antonio, TX, 210-744-9875
And Wellness brand foods is available at these shops:
Locke hill feed
Cute cuts pet grooming
My buddy grooming shop and supplies.
There's a chance they may carry some other kinds but those are the two I could find that I highly recommend. Good luck.