Cook pasta in large saucepan according to package directions. Drain well.
Meanwhile, cook ground pork over medium-high heat in a large, nonstick skillet according to package cooking directions, breaking pork into 3/4-inch crumbles. Drain and discard any juices.
Add hot pasta to ground pork in skillet. Stir in pasta sauce and ricotta cheese. Cover and cook over medium-high heat until hot, stirring occasionally.