The barn that I board/take lessons at gets most of their horses from auction. They recently bought two horses, Stuart and Red. Stuart looks like after a bit of riding he'll be a great horse. I'm a bit worried about Red. I've only gotten one look at him, but he has an infected eye (stuff is oozing down his face), he has a very long back, and short little legs. He is also ewe necked, and his head looks very large on his body. He's very undermuscled, and I'm not sure he'll be able to succeed in lessons (he would be ridden 3-5 times a day for an hour each with a break in between). What do you think?