There are two 2 meter band repeaters and one 70 centimeter band repeater in your county that you can probably reach with those radios.
With the scanner, you can program them up and see what you hear. That'll help you learn by listening to others:
Amateur Radio in York County, Nebraska (NE)
www.radioreference.com
Might be other clubs nearby. Most ham clubs are eager to find new people and should be more than willing to help you.
Well, you've got some suitable radios already. I always recommend waiting until you have your license before spending any more money. Talk to the other hams to see what they recommend for your specific area.
At minimum, you probably want a VHF mobile, a 12 volt power supply and an outdoor antenna. Which ones will depend entirely on your budget.