K.V.
There is a preschool in the Fort Union area called Childrens Academy that I cannot say enough about. I moved my kids around a few times in preschool /daycare trying to find the best place. This one I loved. Full disclosure - my sister works there, which was part of what made me so comfortable with it, but the entire staff was very warm, spoke to me at the end of every day to give me an idea how the day went, and really interact well with the kids. You can also peek at your kids online during the day, just to see how things are going. My youngest son, who spent most of his early years at this school, has really excelled since moving up to kindergarten. They often have a waiting list, but were also really flexible with me when I needed to adjust my hours.
Another place we went part-time, if that's more what you're looking for, was Daybreak Arts Academy in Daybreak (South Jordan). They are also great and flexible and offer a lot of different programs and activities, which keeps the kids engaged (they even have their own garden). They also offer the ability to watch your kids online during the school day. I would highly recommend either of these programs.