Went for my first run

So I just went for my first run since I've started MFP (yesterday). I haven't ran in about 3 months and holy cow did that ever kick my butt. I decided I was going to take my dog and just run around the block one time. It's about .25mi and a super cool day so I figured it would be a piece of cake. I ran half of it with no problem and I was feeling great. Then I reached the hill. This hill isn't the steepest, but it is LONG. I was chugging along up and I could feel my lungs gasping for air and I about died (okay, a bit dramatic). And right when I was about to stop, a car came along and of course I didn't want to stop running while someone was watching so I pushed even harder and then another car and another came. UGH. By this time I was about 15ft from the top of the hill and I just couldn't do it. I walked to the top and a little further until i caught my breath some then finished jogging the rest of the way to the house. I got back about 15mins after I left my house which is awful considering how I once could run. My average mile was about 8:12 which is still slow to a lot of people but that was super fast for me and I was proud of it. Today, I just feel really disappointed in myself. But I'm going to make this one of my goals. I want to conquer that hill. I'm going to work at it every day that I can. I considered taking a different route at first with no hills but that is just cheating myself. I know how great I will feel when I accomplish my goals one by one and that is going to be my first!