You would likely benefit from a weight distribution system if:
Note: To use a weight-distributing system, your trailer hitch must be rated for use with weight distribution. Check the weight rating label on your hitch to make sure that a weight-distributing capacity is listed. If no rating is listed, a weight distribution system cannot be used.
For more answers on WDS, visit etrailer.com.
Check YouTube for other brands.
Andersen WD Hitch video