2.86 is a long way from 2.3.
I wouldn't feel as out of control as you do right now. 2.86 is decent. Its not detrimental, especially at a 0-6 school.
I've had similar gpa's before and I've had two distinct feelings about them: Either I missed some B+'s by just a few points and felt like the gpa was not representative of my abilities...Or, I felt way in over my head and questioned what i was doing.
Its natural to feel that way. Do you feel like you understand the material but your grades don't reflect what you know? If that's the case you have the ability to bring them up- it will just require some more careful studying on your part next year.
Fortunately you have the comfort of a 0-6 program right now. There are a lot of prepharms on SDN with 2.9's that may never see acceptances into pharm d programs. You should be feeling at least some amount of comfort.