Boil the chicken fillet without salt and cut into small pieces.
Cut the radish into semicircles.
Cut the cucumber into cubes.
Chop the onion and dill.
Connect all components.
Add salt, mustard, kefir, and water just before serving, as the dry salad will last longer in the refrigerator. Or mix everything at once and serve if okroshka won’t stand for a long time.