Complex sentence: He was born in Tucson and grew up in Tempe where he balanced life as a suburban kid while visiting his grandparents' ranch in southern Arizona, where, he rode horses, herded cattle and fixed fences.
Split into simpler sentences: He was born in Tucson and grew up in Tempe where he balanced life as a suburban kid while visiting his grandparents' ranch in southern Arizona. There, he rode horses, herded cattle and fixed fences.