* To hold investor call Tues ahead of possible sukuk - leads * Benchmark, dollar sukuk targeted * Eight banks chosen to arrange call, possible deal (Adds banks, sukuk size, context) DUBAI, May 19 (Reuters) - Saudi Arabia's Dar Al Arkan Real Estate Development Co will hold talks with international investors on Tuesday as it attempts to issue a benchmark-sized, dollar-de**minated Islamic bond, a document from lead arrangers said. ...