Cook pasta according to instructions with 1/2 tsp salt. Once cooked, drain water add to a place and cover to keep warm.
In the same Dutch oven, add the diced onion and ground pork. Cook until meat is browned and onion is tender (about 5 minutes), breaking up meat as it’s cooked. Season with remaining salt and pepper, add garlic and mix well.
Add marinara, turn heat to andium/low cook five minutes.
Add the pasta and stir, cook until pasta is reheated.