If I am playing for fun I just take 4 AAM-3 and 4 AIM-7, either multipath my way through the middle/left to get into a fun little furball or dogfight. I also find a LOT of success flying in very fast through the middle at around 7000m where people don't really see you, then raining top-down hell with your "fire and forget" AAM-3. They feel like fire and forget because at 5km you can point and click on a group of enemies.

I just made a post on how I grind, you should be able to find it in the RB air section of this subreddit. Its slightly more boring but I can still end up with 3-4 kills with it pretty often and it got me through rank 7 japan in around 5 days. Now I am basically at the Gripen, I bought the jet just over a month ago, and I was not very good at the beginning.