Glad to see you did the right thing. I hope Pixel will be happy again
. Hopefully, someday Pixel with have a little friend to play with; one that is small, has a good temperament and that he is comfortable with.
Edited to add: I do small dog sitting and some timid dogs that had stayed here actually enjoys playing with other dogs that has the right energy for them and that they are comfortable with. I always give extra care to the more timid ones and try to increase their self-confidence.