Differential Contact Pattern At 500 Miles

I'm a bit nervous on my drive side of the teeth at my 5/600 mile fluid change. I stuck a magnet on the cover to catch debris, there was hardly anything. however the tooth pattern has me worried, the section on the drive side that looks galled is where my main contact pattern was on setup. i cant not feel any difference over the entire tooth with my fingernail. for the friggin life of me I couldn't pull a perfect pattern. no matter what i did the contact pattern was ALWAYS heavy towards the root. i went .025-.045 pinion shims in .002 increments at .008 backlash and .010 backlash. the first pics are the best patterns i could pull. I spent DAYS on this thing, and set it as horseshoes and hand-grenades (close enough) or so I thought. the first pics are the best pattern I could pull with keeping the backlash and pinion pre-load within spec. i monitored the temps for the first 10 days of easy driving, the hottest it got was 146 degrees, once. most of the time it was 128-138 degrees. valvoline 80-90 conventional was used. nothing over 55mph for the first 300 miles. steady stop and go driving everyday. its motive gear 3.55's, all new bearings, and a 35,000 mile rear-end from a 74 dart. any opinions on this? is it normal? am i worrying over nothing? should I start $#!**!ng kittens? many thanks!!!