Applying to grad school but failed a class

As the title says, I failed a class my Junior year. My sister was killed in 2021 and after a very very long time the person who killed her was finally sentenced. In the months leading up to this it was extremely hard on me, as this person also injured me and put me in the hospital and rehab for 4 months (with a TBI). On top of all of the stress of waiting for the trial and dealing with the civil case, I was (and am) grieving the loss of my only sibling, my sister, and my best friend in the entire world. I snapped. I cheated in a class. A psychology class. I fessed up to it and it's all worked out. My professor for that class is actually one of my LOR writers. She understood what happened and gave me grace. I made a dumb and poor decision because of extreme life stress.

It's not an excuse. But it's a reason. I am truly, from the bottom of my heart, not looking for anyone's judgement. Yes, I did something stupid. But you haven't stood in my shoes and faced what I've had to face. She was my best friend in the whole world and someone took her from me. And it took too long to get them sentenced.

With all of that being said, the legal stuff is over now. I will never have to deal with that much mind-boggling stress for as long as I live. Nothing will ever amount to dealing with a trial for a person who killed your sister and left you disabled. I'm in a much better place now. MUCH better. I'm retaking that same class and I truly believe I'll make an A this time. My overall GPA is a 3.82 right now. I have research experience (and some clinical too), I've worked in 2 labs, several posters, successfully defended an honors thesis, and have great letters of recc. However, final grades don't hit my transcript until December 10th, and most grad apps are due before then. Which is to say, it won't show the new grade for the class I failed.

Is it over? What should I do? Please be nice. Thanks for reading.

Edit: Grammar