If a clunking or "loose lumber" noise is coming from the front or rear suspension, there are revised shock absorbers available that can help the concern. This is usually heard at lower speeds and colder temperatures when driving over bumps.
Car Problem Reports
Dodge Ram 1500 Revised Rear Shocks For Clunking Noise
Dodge Ram 1500 Problem
Average Mileage: 57,333 mi (33,000 mi - 79,000 mi)