Soak Onion: Place sliced onion in cold water and let sit.
Prepare Chicken: Slice chicken breasts horizontally into thin cutlets.
Pound Chicken: Cover cutlets and pound until less than ¼ inch thick.
Season Chicken: Sprinkle salt and pepper over both sides.
Prepare Breading: Arrange flour eggs and bread crumbs in three dishes.
Coat Chicken: Dredge each cutlet in flour then egg then bread crumbs.
Heat Oil: Warm oil in large skillet over medium heat.
Fry Schnitzel: Cook two cutlets about 6 to 7 minutes per side until golden.
Drain Chicken: Transfer to paper towels and season lightly.
Mix Dressing: Whisk yogurt garlic vinegar caraway salt and pepper.
Add Vegetables: Drain onions then add cucumbers pickle parsley and dill.
Toss Salad: Stir vegetables in dressing until coated.
Serve Dish: Plate schnitzel with cucumber salad and lemon wedges.
