There are many restaurants in the downtown area. Including at least two Korean and one Chinese.
Selenge Hotel, (From the main square go east one block. At the intersection with a large traffic light structure in the middle, the hotel is next to the corner on the SE.). Older hotel, but clean and hot showers.USD15 - 45.
Daily Bus service to Ulaanbaatar, bus service to Bulgan City, also train to Ulaanbaatar and many stops inbetween, first class to Ulaanbaatar is USD20 on the train, there are lower classes for less, bus is less than the first class train. The train station is a few km east of the city, but there is a ticket office downtown near the bus station.