A 300 pound guy in the passenger seat would add more than 50 lb to the front axle. I wouldn't worry about it, especially since the truck handles better.
2006 Silverado 1500HD Crew Cab 2WD 6.0L 3.73 8600 GVWR
2018 Coachmen Catalina Legacy Edition 223RBS
1991 Palomino Filly PUP