1. Prepare rice according to package directions, omitting salt and fat; set aside.
2. Heat oil in a large nonstick skillet over medium-high heat. Add onion to pan; sauté 2 minutes. Combine pork and next 5 ingredients (through red pepper); toss well. Add pork mixture to pan; sauté for 5 minutes or until lightly browned.
3. Add broth to pan, scraping bottom of pan to loosen browned bits. Add tomatoes and tomato sauce; cook 3 minutes, stirring occasionally. Remove from heat; stir in cilantro and vinegar. Serve over rice.