I'm looking for a trailer hitch for my 2018 CX-9. My main goal is to attach a bike rack that can carry 4 bikes. But, if there isn't much of a price difference, I'd like to buy one strong enough to take a U-Haul trailer. Any suggestions on make/model of trailer hitch? Whom should I hire to install? Dealer? Trusted mechanic? I bought this car just 9 months ago and I don't want to ruin it!