Witney Carson did not sugarcoat her answers when picking the best and worst celebrity contestants from Dancing With the Stars over the years.Carson, 26, said there were “so many” former contenders worthy of being named the best of the best. However, she admitted to being “a little bit biased” when selecting her choice.“I would probably say Alfonso [Ribeiro]’s the best or probably Jordan Fisher,” the So You Think You Can Dance alum exclusively told Us Weekly on Monday, August 3.