The amount may be fair depending on whether or not you still owe money on the CRV and if your upside down, having to pay a turn-in cost for breaking the lease, or as mentioned and most importantly your credit score. Leasing is only a good option if you are unsure if you want to keep it, like having a new ride, or want an new car with lower payments than purchasing.
I leased my Passport EX-L, by trading in my Civic Touring model, and a chunk of change for all taxes and a 3yr service warranty. However I was still applying more than the $315 a month and after little more than a year owed $25K. This got me to the point where i could pay about $3-4k more and drive the car for free for the remainder of the lease, but at the end of lease still owe $25.5K. I liked the vehicle enough I just got a loan and now am paying for the vehicle, though by doing so my payments are $400.
Leasing as mentioned is good depending on your situation, but other times purchasing with a low APR can be just as good. This is my first new vehicle in over 15yrs as generally I prefer to by a used model with low mileage and let someone else pay the depreciation. In this case though, like my still running 2002 Toyota RAV4 (190K) I plan on keeping it until one of us croaks. Good luck in finding whats right for your situation.