It seems reasonable that you are suffering some form of depression, even if it is transitory in nature. Good part is that makes you human and no better or worse then anyone else.
Just my 2 cents, but this is part of what becoming independent is all about, you have to make decisions based on the information you have and not focus on the next great thing all the time, nor allow yourself to be insulated in your thoughts so much. Your reality should be, if you received offers all around the same rough compensation, then that is likely the going rate for a new grad with your skill set and presentation in the areas you applied. Accept the best one with the team you feel you fit best with (that is more important then raw compensation) and move forward. You can always change later as you gain some experience. Don't wait for the perfect solution right now, move forward and change if you need to later.
You are still really fresh out of school so you can still accept a reasonable offer and the faster you start contributing to a team the faster you will feel better. Get focused, get organized and accept your reality so that you can change it. I don't care what your reality is, it is always changeable by you. Other people can help, but in the end you are the only one that can act to change your circumstance.
If you need to go see someone to talk through how you feel, do it, don't hesitate. There are too many people afraid to seek out help, go do it, celebrate that you are enlightened enough to recognize it and get the little extra guidance. Most of the time it is that simple, talking it out with someone who has empathy but can help lead you on a path to pull yourself up. You don't sound like you are in a bad situation, just not where you thought you'd be, so it is far easier to fix today then 3, 6, 9 months from now if you do nothing.
Take care, good luck.