The gauze is actually filling the hole, so you probably won't get much in there. I had the same situation, and my surgeon changed the gauze every other day for a week. The worst part was the antibiotic that the gauze is soaked in - tastes awful!
I mostly ate things that required minimal chewing (scrambled eggs, yogurt, etc.). Luckily, they heal fast, so hopefully you will feel better and be back to eating real food soon!
The dry sockets will not return. Secondly, use a water pik or a similar device to keep the sockets clean.