Just wondering how long you stayed in total?
Beautybelle43, the first time we got married, we eloped. Sadly, we never got around to having a honeymoon.
When our 20th wedding anniversary rolled around, we decided to renew our vows in WDW. Since my family was on different work and school schedules, I flew to WDW first. I spent about a week there all by myself. It was wonderful being alone. At the end of my first week, my husband & our daughter joined me. A few days later, our son joined us. Then it was time for our FTW vow renewal. We stayed in WDW for almost a week afterward.
When everything was said and done, I was in WDW about 2-1/2 weeks for that particular vacation. My family usually has annual passes, and we did for that vacation. However, we didn't do any of the dining plans. We had too many activities planned with our guests and the dining plan would have gone to waste.
Now, with that being said, that was my vacation and this is yours.

The dining plan may work out to be a wonderful deal for you. If you find that it is, then by all means consider booking it.
Good luck with your decision!