You don't need to start from scratch, but you're going to have a very difficult time getting a job with that reel. As I've stated before, you really need to stop doing dialogue tests and advanced acting and get back into building a stronger foundation with the 12 principles. There's no need for the gross estimate of time either, if it takes you a month or 12 months it doesn't matter, fact is you need to practice.
Have you read the following books?
Animator's Survival Kit - Richard Williams
Illusion of Life - Frank & Ollie
Character Animation - Preston Blair
Go to http://www.AnimationMentor.com
and watch the free Webinars, watch online tutorials (there are plenty) and take it slow and build yourself a solid skillset. Remember, GETTING a job is just the beginning, once you're in there you're going to get shots thrown at you that you've never even thought about, you NEED the solid foundation to be able to tackle complicated and advanced shots in the industry, and do it quickly.