Cook pasta in large saucepan with unsalted water according to package directions. Drain well.
Meanwhile, cook ground pork over medium-high heat in large, nonstick skillet about 3 minutes or until pork reaches an internal temperature of 160°F, breaking pork in to 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.