Boil the pasta according to the directions on the package. One minute before the pasta is cooked, add the radishes to the pot. Drain and rinse with cold water.
Meanwhile, heat 1 Tablespoon olive oil in a skillet. Add the Canadian bacon and cook 6-8 minutes, r until browned.
Transfer the pasta and radishes to a large serving bowl. Stir in the peas and Canadian bacon. Mix in the lemon juice, olive oil, feta, parley, and dill. Season to taste with salt and pepper.