Here is a news story from a few years ago about Wheeler Branch and the walleye.
http://www.fox4news.com/story/17478973/lone-star-adventure-wheeler-branch-reservoirHere is the stocking record for Wheeler Branch. As you can see they have stocked almost 4 million fry. There are some pretty good walleye being caught.
TPWD began a fish stocking program in the Wheeler Branch Reservoir in the spring of 2007. The following species have been stocked in the reservoir to date:
April 23, 2007 - 1,500 Threadfin Shad, 200 Inland Silversides
May 17, 2007 - 67 lbs. Fathead minnows
May 31, 2007 - 18,000 Bluegill
June 6, 2007 - 4,500 Florida Large Mouth Bass fingerlings
June 18, 2007 - 5,000 Channel Catfish fingerlings
July 11, 2007 - 4,000 Small Mouth Bass fingerlings
Oct. 16, 2007 - 24,000 Bluegill
Oct. 30, 2007 - 460 Tennessee Small Mouth Bass
Feb. 20, 2008 - 18,000 Bluegill
Apr. 22, 2008 - 585,000 Wall Eye
July 9, 2008 - 9,000 Channel Catfish fingerlings
Sept. 10, 2008 - 4,300 Small Mouth Bass
Apr. 21, 2009 - 450,000 Walleye Fry
June 1, 2009 - 5,200 Small Mouth Bass
December 10, 2009 - 1,500 Threadfin Shad
April 9, 2010 - 390,000 Walleye Fry
May 4, 2010 - 18,400 Florida Large Mouth Bass
April 11, 2011 - 360,000 Walleye Fry
May 3, 2011 - 18,400 Florida Large Mouth Bass
June 6, 2011 - 4,500 Small Mouth Bass
April 15, 2012 - 375,000 Walleye Fry
April 12, 2013 - 500,000 Walleye Fry
April 15, 2013 - 397,500 Walleye Fry
June 6, 2013 - 5000 Small Mouth Bass
July 18, 2013 - 18,0000 Channel Catfish
April 4, 2014 - 800,000 Walleye Fry
May 21, 2014 - 4,500 Small Mouth Bass