MELISSA ~ if you are jogging 6 days a week plus everything else you are doing, that is already a lot of exercise. It doesn't sound like you are eating that much really, so it could be that you need to change things up a bit. Your plan also sounds quite low in grain/starch carbs; low fruit; and veggies only 1 meal a day (dinner). Uhmmm ... it is possible that you are not eating enuff -- your body may be fighting loss at this point.
The best thing might be to do a journal every day for 2 weeks to see just how many calories you are eating; plus keep track of your exercise as well. You may need to zigzag a bit ... actually add some food to your lunch menu or in a snack every other day. As for the tummy, have you tried doing any situps or other toning exercises for that? You can go down a size by doing that alone ...
It is very possible that your body is happy with you at 165 lbs at 5'6" -- I have seen this before many times on this site. By doing other toning exercises, you can see inches and sizes lost while your body settles a bit. You don't want to gain; and you need to eat healthy for the rest of your life anyways, so just keep going and you'll eventually see some kind of change take place ...