Chunky Borscht

Ingredients

• 2 tablespoons cooking oil
• 1 onion, chopped
• 2 parsnips, peeled and cut into thin slices
• 1 small celery root (about 3/4 pound), peeled and cut into 1/2-inch chunks
• 1 turnip, peeled and cut into 1/2-inch chunks
• 1 3/4 teaspoons salt
• 2 cups drained diced canned beets (one 15-ounce can)
• 1 1/2 cups drained diced canned tomatoes (one 15-ounce can)
• 3 1/2 cups canned low-sodium beef broth or homemade stock
• 3 cups water
• 1/4 teaspoon fresh-ground black pepper
• 1/2 pound kielbasa, halved lengthwise and sliced crosswise
• 1/3 cup plus 3 tablespoons chopped fresh dill
• 1/4 cup sour cream