I&D at 3 week post TKR

If anyone else has had infection after TKR, please share how your recovery has gone. I was shy of 3 weeks post the initial TKR, I was admitted back to the hospital with a high WBC count. High heart rate, felt horrible. My surgeon aspirated my knee on a Monday, and it was purulent. He did the I&D the next day. Pain after was pretty intense, my quad muscles were not firing at all. I was discharged on Friday with a bit more quad activation. I am able to now do leg lifts and abduction, but the flexion and extension is still very limiting. I know I am just 2 weeks out from the second surgery, but I am an RN and I plan to return to work at the end of September. I am just afraid of not getting the flexion to 120 or extension to 0, I really don't want to have to go under anexthesia for manipulation to break up scar tissue.