I found a 2005 3 Place (21') Interstate enclosed trailer for sale in my area. I drive a 2003 Ford Expedition Eddie Bauer with the 5.4L V-8. I know what the max. tow rate is and all, but want to know how safe and hard pulling this size trailer would be for my rig? I've never pulled anything this heavy with it, so not sure how it will be for towing this. I plan on getting a weight distribution hitch if I was to get this trailer. Just wanting some opinions on this issue. Thanks.