Brian, nice deer!
I understand what your saying, A little blood doesn't tell the story.
I shot a nice doe over the weekend with similar results. I was shootin a cane arrow with a pearson Deadhead, 600 grains. Stand about 15 ft., shot straight down,exit hole, one lung. She went sixty yards or so.
Took my son to track, little blood, but he found it and her. Little blood, nothing to write home about. Every hunting shot is a learning experience. Don't give up and Good shootin, Steve