Roasted Sweet Potato Cream Cheese Potstickers (Dumplings)

large sweet potato*, peeled and chopped into 1/2 inch chunks

red onion, diced

plain cream cheese, room temperature

chives, sliced, plus more for garnish

package of dumpling wrappers

salt and pepper,

small bowl of water

vegetable oil, for roasting and frying

Optional: sour cream for dipping