I think it's been established that the CSP is worth it for the first year. However, your original question asks if it's worth paying the AF for the CSP. Prior to the United, Southwest, and Hyatt devaluations, 2 cents per UR seemed like a pretty reasonable value. Using that number, if you can generate more than $4750 in annual spend, then you are obtaining more than the AF in additional value. You estimate $7200 a year in dining spend, so yes, it would be worth keeping the card and paying an AF.

There's also the additional feature that any points earned on your Freedom are more valuable when you have one of the premium cards.

With all the devaluations, I'm not sure 2 cpp is still a reasonable value for UR points, but the question is what are you looking to redeem the UR points for? Figure out what travel redemption you want to make and then figure out the points costs and the face value. The lower the cpp, the more bonused spending you'd need on the CSP to justify the AF over sticking with the freedom.