If am being totally honest, I would invest it in BITCOIN. Although I know $3 is small for me to expect much profits but then, I earn $3 everyday overtime, damn! That's massive to acquired a lot of bitcoins and my investment could just yield some figures overtime. Then if am to look at HIVE and LEO, I'd split it into pairs. In the sense that, if I buy Hive today with $3 then tomorrow am buying leo with it. Let's not forget that it is the same blockchain so having both tokens staked is actually very necessary!

This is just my view, and not a financial advice :)