Hi, Glenna, from another Kansan! Wow! Tough question. With so many great breeds to choose from its hard to narrow it down to just 3! I have a flock of over thirty now that comprise at least 18 breeds. I like the variety pack look in the yard as well as the egg basket.
I tend to shy away from the Mediterranean class chickens....leghorns, anconas, etc. They handle heat well (but have large combs that can get frost bitten), lay very well, and are economical to keep as they are light eaters. But to me they are always flighty and spooky for no good reason. I hate walking past the coop or run and have my chickens react like I was chasing the with an axe!
I tend to like calmer breeds and have had great luck with red stars and black stars (red and black sex links). Great layers of brown eggs and friendly birds. Easter Eggers are also great for greenish eggs and are smaller bodied. I love Buff Orps and Black Autralorps but for me they tend to go broody more than most and I have lost a couple to overheating when they are just possessed about being on the nest. Also lots of luck in the past with Delawares, Marans, all the Rocks, Wyandottes...you name it. I also have Naked Necks which are great if you're in the market for something different. Perhaps my favorite is Speckled Sussex....the most beautiful chicken in my opinion and calm. Hard to go wrong with all the great choices and everyone has their favorites! It all depends on what you are looking for in the yard. Best of luck in your search!