In a 6-qt. stockpot, heat 1 tablespoon lard over medium heat. Add onion and garlic; cook and stir until tender. Add ham hocks, water, seasoned salt, pepper flakes, and sugar. Bring to a boil. Reduce heat; simmer, uncovered, 55-60 minutes or until meat is tender., Add collard greens, wine, and remaining lard. Return to a boil. Reduce heat; simmer, uncovered, 55-60 minutes or until greens are very tender. Remove meat from bones; finely chop and return to pan. Discard bones. Serve with a slotted spoon.