MAGNOLIA — Every little girl dreams of owning a horse, but for Morgan Anders, 14, who lives at the edge of Columbia County, it was more than just a dream — it was what might have been her last wish, and thanks to the Make a Wish Foundation and the kindness of people at places like Southern Arkansas University, it’s come true.

Until just a few weeks ago, Anders, who suffers from aplastic anemia, a blood disorder in which the body’s bone marrow doesn’t produce enough new blood cells, was facing a bone marrow transplant in San Antonio, Texas. Her condition, which affects only 500 - 1,...