DJ Slick Rick’s loved ones are close to reaching their $10k goal to put toward his funeral one week after his tragic death, RadarOnline.com can reveal. The Memphis music man — whose real name was Rick Buchanan — was found dead in his Tennesse home last week by his brother, who claimed that he had been decapitated. RadarOnline.com can reveal that Slick Rick’s niece, Ashley Buchanan, started a GoFundMe on January 25 and has already raised $7,660, but the family has $2,340 to go before they reach their goal. As of this post, 110 people have donated, with two contributors giving $500 each to the c…