I am a newbie, but I think an interesting environment is key. You say dog run - is it chain link? If so, great place to put additional perches / roosts. Just put sticks through the holes in the corners of varied...
Sand floor! I have play sand, but want to switch to river sand.
Oh - I also installed a drain under my auto-waterer with flat rocks and larger round stones.
Penny (Rhode Island Red in avatar) was in the Winter Parlor where my teenage son was zoned into the big screen. Quick as a flash, Penny pulled all the pizza from his plate, dashing behind the sofa and out the doggy door...
I am new to chickens.
My oldest girls are only a year and a half old, and have always laid well. Mine free-range, and I feed Purina Flockraiser Pellets for the chickens and the ducks. The egg shells do look...
Check out the 'how to deal with aggressive rooster' threads. Sounds like she is gender-confused. In any case, don't let her dominate / intimidate you. This is a test you must pass.