The info webinars for UCLA have been helpful. I am also applying at UW! That's my top choice. They have gone over addressing why you received a lower GPA. I am applying with a 3.3 and also nervous but I will be addressing my personal reasons such as caring after my child and at times working 1-2 jobs while earning my degree. I believe as long as you briefly address and attest to your work and school ethic, you should be fine. As far as references, I also have one academic that is solid and one that I am a little worried about because I didn't build such a strong relationship with them -- kind of a filler reference. However, they did say they would go over my resume and PS to get a better understanding of what I have been up to since graduating the program. I hope something like that works out for you!